Finding the Fourth Proportional to 99,635,123.97, 137,523,818.95 and 57,832,656.72

Step by Step Solution

1. Step 1: Write the proportion equation
   99,635,123.97 : 137,523,818.95 = 57,832,656.72 : x
2. Step 2: Convert to fraction form
   99,635,123.97/137,523,818.95 = 57,832,656.72/x
3. Step 3: Cross multiply
   99,635,123.97x = 137,523,818.95 × 57,832,656.72
4. Step 4: Simplify right side
   99,635,123.97x = 7,953,367,812,014,198
5. Step 5: Solve for x
   x = 7,953,367,812,014,198/99,635,123.97
6. Step 6: Final answer
   x = 79,824,940.19