Finding the Fourth Proportional to 141,810.25, 195,691.83 and 77,279.71

Step by Step Solution

1. Step 1: Write the proportion equation
   141,810.25 : 195,691.83 = 77,279.71 : x
2. Step 2: Convert to fraction form
   141,810.25/195,691.83 = 77,279.71/x
3. Step 3: Cross multiply
   141,810.25x = 195,691.83 × 77,279.71
4. Step 4: Simplify right side
   141,810.25x = 15,123,007,871.77
5. Step 5: Solve for x
   x = 15,123,007,871.77/141,810.25
6. Step 6: Final answer
   x = 106,642.56