Finding the Fourth Proportional to 92,063,288.16, 137,985,114.96 and 42,812,657.92

Step by Step Solution

1. Step 1: Write the proportion equation
   92,063,288.16 : 137,985,114.96 = 42,812,657.92 : x
2. Step 2: Convert to fraction form
   92,063,288.16/137,985,114.96 = 42,812,657.92/x
3. Step 3: Cross multiply
   92,063,288.16x = 137,985,114.96 × 42,812,657.92
4. Step 4: Simplify right side
   92,063,288.16x = 5,907,509,524,834,355
5. Step 5: Solve for x
   x = 5,907,509,524,834,355/92,063,288.16
6. Step 6: Final answer
   x = 64,167,917.99