Finding the Fourth Proportional to 141,875.52, 195,789.54 and 78,215.58

Step by Step Solution

1. Step 1: Write the proportion equation
   141,875.52 : 195,789.54 = 78,215.58 : x
2. Step 2: Convert to fraction form
   141,875.52/195,789.54 = 78,215.58/x
3. Step 3: Cross multiply
   141,875.52x = 195,789.54 × 78,215.58
4. Step 4: Simplify right side
   141,875.52x = 15,313,792,429.03
5. Step 5: Solve for x
   x = 15,313,792,429.03/141,875.52
6. Step 6: Final answer
   x = 107,938.23