Finding the Fourth Proportional to 141,952.72, 195,903.72 and 78,290.64

Step by Step Solution

1. Step 1: Write the proportion equation
   141,952.72 : 195,903.72 = 78,290.64 : x
2. Step 2: Convert to fraction form
   141,952.72/195,903.72 = 78,290.64/x
3. Step 3: Cross multiply
   141,952.72x = 195,903.72 × 78,290.64
4. Step 4: Simplify right side
   141,952.72x = 15,337,427,617.18
5. Step 5: Solve for x
   x = 15,337,427,617.18/141,952.72
6. Step 6: Final answer
   x = 108,046.03