Finding the Fourth Proportional to 141,570.72, 195,367.46 and 77,908.52

Step by Step Solution

1. Step 1: Write the proportion equation
   141,570.72 : 195,367.46 = 77,908.52 : x
2. Step 2: Convert to fraction form
   141,570.72/195,367.46 = 77,908.52/x
3. Step 3: Cross multiply
   141,570.72x = 195,367.46 × 77,908.52
4. Step 4: Simplify right side
   141,570.72x = 15,220,789,102.93
5. Step 5: Solve for x
   x = 15,220,789,102.93/141,570.72
6. Step 6: Final answer
   x = 107,513.68