Finding the Fourth Proportional to 140,591,061.58, 194,000,894.82 and 77,865,516.40

Step by Step Solution

1. Step 1: Write the proportion equation
   140,591,061.58 : 194,000,894.82 = 77,865,516.40 : x
2. Step 2: Convert to fraction form
   140,591,061.58/194,000,894.82 = 77,865,516.40/x
3. Step 3: Cross multiply
   140,591,061.58x = 194,000,894.82 × 77,865,516.40
4. Step 4: Simplify right side
   140,591,061.58x = 15,105,979,855,862,052
5. Step 5: Solve for x
   x = 15,105,979,855,862,052/140,591,061.58
6. Step 6: Final answer
   x = 107,446,232.26