Finding the Fourth Proportional to 1,016,640,992,687.50, 1,403,117,096,877 and 772,368,498,396.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,640,992,687.50 : 1,403,117,096,877 = 772,368,498,396.84 : x
2. Step 2: Convert to fraction form
   1,016,640,992,687.50/1,403,117,096,877 = 772,368,498,396.84/x
3. Step 3: Cross multiply
   1,016,640,992,687.50x = 1,403,117,096,877 × 772,368,498,396.84
4. Step 4: Simplify right side
   1,016,640,992,687.50x = 1,083,723,445,189,821,929,095,168
5. Step 5: Solve for x
   x = 1,083,723,445,189,821,929,095,168/1,016,640,992,687.50
6. Step 6: Final answer
   x = 1,065,984,406,476.65