Finding the Fourth Proportional to 140,656,621.59, 194,103,568.71 and 77,932,490.76

Step by Step Solution

1. Step 1: Write the proportion equation
   140,656,621.59 : 194,103,568.71 = 77,932,490.76 : x
2. Step 2: Convert to fraction form
   140,656,621.59/194,103,568.71 = 77,932,490.76/x
3. Step 3: Cross multiply
   140,656,621.59x = 194,103,568.71 × 77,932,490.76
4. Step 4: Simplify right side
   140,656,621.59x = 15,126,974,574,975,102
5. Step 5: Solve for x
   x = 15,126,974,574,975,102/140,656,621.59
6. Step 6: Final answer
   x = 107,545,413.82