Finding the Fourth Proportional to 69,147.31, 95,425.21 and 42,289.33

Step by Step Solution

1. Step 1: Write the proportion equation
   69,147.31 : 95,425.21 = 42,289.33 : x
2. Step 2: Convert to fraction form
   69,147.31/95,425.21 = 42,289.33/x
3. Step 3: Cross multiply
   69,147.31x = 95,425.21 × 42,289.33
4. Step 4: Simplify right side
   69,147.31x = 4,035,468,196.01
5. Step 5: Solve for x
   x = 4,035,468,196.01/69,147.31
6. Step 6: Final answer
   x = 58,360.45