Finding the Fourth Proportional to 237,300.80, 327,475.24 and 129,870.78

Step by Step Solution

1. Step 1: Write the proportion equation
   237,300.80 : 327,475.24 = 129,870.78 : x
2. Step 2: Convert to fraction form
   237,300.80/327,475.24 = 129,870.78/x
3. Step 3: Cross multiply
   237,300.80x = 327,475.24 × 129,870.78
4. Step 4: Simplify right side
   237,300.80x = 42,529,464,849.49
5. Step 5: Solve for x
   x = 42,529,464,849.49/237,300.80
6. Step 6: Final answer
   x = 179,221.75