Finding the Fourth Proportional to 69,209.78, 95,507.91 and 42,352.20

Step by Step Solution

1. Step 1: Write the proportion equation
   69,209.78 : 95,507.91 = 42,352.20 : x
2. Step 2: Convert to fraction form
   69,209.78/95,507.91 = 42,352.20/x
3. Step 3: Cross multiply
   69,209.78x = 95,507.91 × 42,352.20
4. Step 4: Simplify right side
   69,209.78x = 4,044,970,105.90
5. Step 5: Solve for x
   x = 4,044,970,105.90/69,209.78
6. Step 6: Final answer
   x = 58,445.07