Finding the Fourth Proportional to 141,488.28, 195,250.60 and 77,824.72

Step by Step Solution

1. Step 1: Write the proportion equation
   141,488.28 : 195,250.60 = 77,824.72 : x
2. Step 2: Convert to fraction form
   141,488.28/195,250.60 = 77,824.72/x
3. Step 3: Cross multiply
   141,488.28x = 195,250.60 × 77,824.72
4. Step 4: Simplify right side
   141,488.28x = 15,195,323,274.83
5. Step 5: Solve for x
   x = 15,195,323,274.83/141,488.28
6. Step 6: Final answer
   x = 107,396.34