Finding the Fourth Proportional to 141,406.59, 195,141.81 and 77,748.48

Step by Step Solution

1. Step 1: Write the proportion equation
   141,406.59 : 195,141.81 = 77,748.48 : x
2. Step 2: Convert to fraction form
   141,406.59/195,141.81 = 77,748.48/x
3. Step 3: Cross multiply
   141,406.59x = 195,141.81 × 77,748.48
4. Step 4: Simplify right side
   141,406.59x = 15,171,979,111.95
5. Step 5: Solve for x
   x = 15,171,979,111.95/141,406.59
6. Step 6: Final answer
   x = 107,293.30