Finding the Fourth Proportional to 237,116.34, 327,215.94 and 129,686.04

Step by Step Solution

1. Step 1: Write the proportion equation
   237,116.34 : 327,215.94 = 129,686.04 : x
2. Step 2: Convert to fraction form
   237,116.34/327,215.94 = 129,686.04/x
3. Step 3: Cross multiply
   237,116.34x = 327,215.94 × 129,686.04
4. Step 4: Simplify right side
   237,116.34x = 42,435,339,483.48
5. Step 5: Solve for x
   x = 42,435,339,483.48/237,116.34
6. Step 6: Final answer
   x = 178,964.21