Finding the Fourth Proportional to 42,124.91, 63,186.13 and 17,158.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,124.91 : 63,186.13 = 17,158.78 : x
2. Step 2: Convert to fraction form
   42,124.91/63,186.13 = 17,158.78/x
3. Step 3: Cross multiply
   42,124.91x = 63,186.13 × 17,158.78
4. Step 4: Simplify right side
   42,124.91x = 1,084,196,903.72
5. Step 5: Solve for x
   x = 1,084,196,903.72/42,124.91
6. Step 6: Final answer
   x = 25,737.67