Finding the Fourth Proportional to 60,923.62, 91,291.17 and 42,240.16

Step by Step Solution

1. Step 1: Write the proportion equation
   60,923.62 : 91,291.17 = 42,240.16 : x
2. Step 2: Convert to fraction form
   60,923.62/91,291.17 = 42,240.16/x
3. Step 3: Cross multiply
   60,923.62x = 91,291.17 × 42,240.16
4. Step 4: Simplify right side
   60,923.62x = 3,856,153,627.39
5. Step 5: Solve for x
   x = 3,856,153,627.39/60,923.62
6. Step 6: Final answer
   x = 63,294.89