Finding the Fourth Proportional to 431,182.33, 646,868.17 and 127,552.72

Step by Step Solution

1. Step 1: Write the proportion equation
   431,182.33 : 646,868.17 = 127,552.72 : x
2. Step 2: Convert to fraction form
   431,182.33/646,868.17 = 127,552.72/x
3. Step 3: Cross multiply
   431,182.33x = 646,868.17 × 127,552.72
4. Step 4: Simplify right side
   431,182.33x = 82,509,795,048.94
5. Step 5: Solve for x
   x = 82,509,795,048.94/431,182.33
6. Step 6: Final answer
   x = 191,357.09