Finding the Fourth Proportional to 42,900.92, 64,359.47 and 16,254.89

Step by Step Solution

1. Step 1: Write the proportion equation
   42,900.92 : 64,359.47 = 16,254.89 : x
2. Step 2: Convert to fraction form
   42,900.92/64,359.47 = 16,254.89/x
3. Step 3: Cross multiply
   42,900.92x = 64,359.47 × 16,254.89
4. Step 4: Simplify right side
   42,900.92x = 1,046,155,824.15
5. Step 5: Solve for x
   x = 1,046,155,824.15/42,900.92
6. Step 6: Final answer
   x = 24,385.40