Finding the Fourth Proportional to 60,250.18, 90,376.47 and 42,407.86

Step by Step Solution

1. Step 1: Write the proportion equation
   60,250.18 : 90,376.47 = 42,407.86 : x
2. Step 2: Convert to fraction form
   60,250.18/90,376.47 = 42,407.86/x
3. Step 3: Cross multiply
   60,250.18x = 90,376.47 × 42,407.86
4. Step 4: Simplify right side
   60,250.18x = 3,832,672,687.05
5. Step 5: Solve for x
   x = 3,832,672,687.05/60,250.18
6. Step 6: Final answer
   x = 63,612.63