Finding the Fourth Proportional to 42,587.18, 63,892.30 and 16,292.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,587.18 : 63,892.30 = 16,292.78 : x
2. Step 2: Convert to fraction form
   42,587.18/63,892.30 = 16,292.78/x
3. Step 3: Cross multiply
   42,587.18x = 63,892.30 × 16,292.78
4. Step 4: Simplify right side
   42,587.18x = 1,040,983,187.59
5. Step 5: Solve for x
   x = 1,040,983,187.59/42,587.18
6. Step 6: Final answer
   x = 24,443.58