Finding the Fourth Proportional to 69,145.31, 95,422.45 and 42,287.33

Step by Step Solution

1. Step 1: Write the proportion equation
   69,145.31 : 95,422.45 = 42,287.33 : x
2. Step 2: Convert to fraction form
   69,145.31/95,422.45 = 42,287.33/x
3. Step 3: Cross multiply
   69,145.31x = 95,422.45 × 42,287.33
4. Step 4: Simplify right side
   69,145.31x = 4,035,160,632.56
5. Step 5: Solve for x
   x = 4,035,160,632.56/69,145.31
6. Step 6: Final answer
   x = 58,357.69