Finding the Fourth Proportional to 60,330.17, 90,347.56 and 42,517.05

Step by Step Solution

1. Step 1: Write the proportion equation
   60,330.17 : 90,347.56 = 42,517.05 : x
2. Step 2: Convert to fraction form
   60,330.17/90,347.56 = 42,517.05/x
3. Step 3: Cross multiply
   60,330.17x = 90,347.56 × 42,517.05
4. Step 4: Simplify right side
   60,330.17x = 3,841,311,725.90
5. Step 5: Solve for x
   x = 3,841,311,725.90/60,330.17
6. Step 6: Final answer
   x = 63,671.49