Finding the Fourth Proportional to 42,459.30, 63,689.55 and 16,165.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,459.30 : 63,689.55 = 16,165.48 : x
2. Step 2: Convert to fraction form
   42,459.30/63,689.55 = 16,165.48/x
3. Step 3: Cross multiply
   42,459.30x = 63,689.55 × 16,165.48
4. Step 4: Simplify right side
   42,459.30x = 1,029,572,146.73
5. Step 5: Solve for x
   x = 1,029,572,146.73/42,459.30
6. Step 6: Final answer
   x = 24,248.45