Finding the Fourth Proportional to 92,535.16, 138,781.98 and 42,567.28

Step by Step Solution

1. Step 1: Write the proportion equation
   92,535.16 : 138,781.98 = 42,567.28 : x
2. Step 2: Convert to fraction form
   92,535.16/138,781.98 = 42,567.28/x
3. Step 3: Cross multiply
   92,535.16x = 138,781.98 × 42,567.28
4. Step 4: Simplify right side
   92,535.16x = 5,907,571,401.61
5. Step 5: Solve for x
   x = 5,907,571,401.61/92,535.16
6. Step 6: Final answer
   x = 63,841.37