Finding the Fourth Proportional to 2,164,009,585.76, 2,984,793,732.90 and 1,985,968,410.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164,009,585.76 : 2,984,793,732.90 = 1,985,968,410.82 : x
2. Step 2: Convert to fraction form
   2,164,009,585.76/2,984,793,732.90 = 1,985,968,410.82/x
3. Step 3: Cross multiply
   2,164,009,585.76x = 2,984,793,732.90 × 1,985,968,410.82
4. Step 4: Simplify right side
   2,164,009,585.76x = 5,927,706,066,352,908,288
5. Step 5: Solve for x
   x = 5,927,706,066,352,908,288/2,164,009,585.76
6. Step 6: Final answer
   x = 2,739,223,571.54