Finding the Fourth Proportional to 42,124.71, 63,169.50 and 17,147.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,124.71 : 63,169.50 = 17,147.88 : x
2. Step 2: Convert to fraction form
   42,124.71/63,169.50 = 17,147.88/x
3. Step 3: Cross multiply
   42,124.71x = 63,169.50 × 17,147.88
4. Step 4: Simplify right side
   42,124.71x = 1,083,223,005.66
5. Step 5: Solve for x
   x = 1,083,223,005.66/42,124.71
6. Step 6: Final answer
   x = 25,714.67