Finding the Fourth Proportional to 69,143.31, 95,419.69 and 42,285.33

Step by Step Solution

1. Step 1: Write the proportion equation
   69,143.31 : 95,419.69 = 42,285.33 : x
2. Step 2: Convert to fraction form
   69,143.31/95,419.69 = 42,285.33/x
3. Step 3: Cross multiply
   69,143.31x = 95,419.69 × 42,285.33
4. Step 4: Simplify right side
   69,143.31x = 4,034,852,974.43
5. Step 5: Solve for x
   x = 4,034,852,974.43/69,143.31
6. Step 6: Final answer
   x = 58,354.93