Finding the Fourth Proportional to 119,656.78, 165,127.46 and 65,943.72

Step by Step Solution

1. Step 1: Write the proportion equation
   119,656.78 : 165,127.46 = 65,943.72 : x
2. Step 2: Convert to fraction form
   119,656.78/165,127.46 = 65,943.72/x
3. Step 3: Cross multiply
   119,656.78x = 165,127.46 × 65,943.72
4. Step 4: Simplify right side
   119,656.78x = 10,889,118,986.55
5. Step 5: Solve for x
   x = 10,889,118,986.55/119,656.78
6. Step 6: Final answer
   x = 91,002.94