Finding the Fourth Proportional to 756,700.32, 1,044,253.71 and 417,180.72

Step by Step Solution

1. Step 1: Write the proportion equation
   756,700.32 : 1,044,253.71 = 417,180.72 : x
2. Step 2: Convert to fraction form
   756,700.32/1,044,253.71 = 417,180.72/x
3. Step 3: Cross multiply
   756,700.32x = 1,044,253.71 × 417,180.72
4. Step 4: Simplify right side
   756,700.32x = 435,642,514,600.47
5. Step 5: Solve for x
   x = 435,642,514,600.47/756,700.32
6. Step 6: Final answer
   x = 575,713.40