Finding the Fourth Proportional to 237,085.89, 327,178.47 and 129,656.01

Step by Step Solution

1. Step 1: Write the proportion equation
   237,085.89 : 327,178.47 = 129,656.01 : x
2. Step 2: Convert to fraction form
   237,085.89/327,178.47 = 129,656.01/x
3. Step 3: Cross multiply
   237,085.89x = 327,178.47 × 129,656.01
4. Step 4: Simplify right side
   237,085.89x = 42,420,654,978.10
5. Step 5: Solve for x
   x = 42,420,654,978.10/237,085.89
6. Step 6: Final answer
   x = 178,925.26