Finding the Fourth Proportional to 140,955.48, 194,516.91 and 77,292.72

Step by Step Solution

1. Step 1: Write the proportion equation
   140,955.48 : 194,516.91 = 77,292.72 : x
2. Step 2: Convert to fraction form
   140,955.48/194,516.91 = 77,292.72/x
3. Step 3: Cross multiply
   140,955.48x = 194,516.91 × 77,292.72
4. Step 4: Simplify right side
   140,955.48x = 15,034,741,059.90
5. Step 5: Solve for x
   x = 15,034,741,059.90/140,955.48
6. Step 6: Final answer
   x = 106,663.05