Finding the Fourth Proportional to 141,937.56, 195,871.50 and 78,281.28

Step by Step Solution

1. Step 1: Write the proportion equation
   141,937.56 : 195,871.50 = 78,281.28 : x
2. Step 2: Convert to fraction form
   141,937.56/195,871.50 = 78,281.28/x
3. Step 3: Cross multiply
   141,937.56x = 195,871.50 × 78,281.28
4. Step 4: Simplify right side
   141,937.56x = 15,333,071,735.52
5. Step 5: Solve for x
   x = 15,333,071,735.52/141,937.56
6. Step 6: Final answer
   x = 108,026.88