Finding the Fourth Proportional to 237,401.82, 327,614.58 and 129,978.78

Step by Step Solution

1. Step 1: Write the proportion equation
   237,401.82 : 327,614.58 = 129,978.78 : x
2. Step 2: Convert to fraction form
   237,401.82/327,614.58 = 129,978.78/x
3. Step 3: Cross multiply
   237,401.82x = 327,614.58 × 129,978.78
4. Step 4: Simplify right side
   237,401.82x = 42,582,943,418.61
5. Step 5: Solve for x
   x = 42,582,943,418.61/237,401.82
6. Step 6: Final answer
   x = 179,370.75