Finding the Fourth Proportional to 1,396,062,139.74, 1,926,565,282.89 and 769,541,030.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,062,139.74 : 1,926,565,282.89 = 769,541,030.43 : x
2. Step 2: Convert to fraction form
   1,396,062,139.74/1,926,565,282.89 = 769,541,030.43/x
3. Step 3: Cross multiply
   1,396,062,139.74x = 1,926,565,282.89 × 769,541,030.43
4. Step 4: Simplify right side
   1,396,062,139.74x = 1,482,571,032,985,835,008
5. Step 5: Solve for x
   x = 1,482,571,032,985,835,008/1,396,062,139.74
6. Step 6: Final answer
   x = 1,061,966,362.95