Finding the Fourth Proportional to 237,506.72, 327,759.48 and 128,610.72

Step by Step Solution

1. Step 1: Write the proportion equation
   237,506.72 : 327,759.48 = 128,610.72 : x
2. Step 2: Convert to fraction form
   237,506.72/327,759.48 = 128,610.72/x
3. Step 3: Cross multiply
   237,506.72x = 327,759.48 × 128,610.72
4. Step 4: Simplify right side
   237,506.72x = 42,153,382,709.63
5. Step 5: Solve for x
   x = 42,153,382,709.63/237,506.72
6. Step 6: Final answer
   x = 177,482.91