Finding the Fourth Proportional to 745,788.28, 1,029,182.52 and 406,256.52

Step by Step Solution

1. Step 1: Write the proportion equation
   745,788.28 : 1,029,182.52 = 406,256.52 : x
2. Step 2: Convert to fraction form
   745,788.28/1,029,182.52 = 406,256.52/x
3. Step 3: Cross multiply
   745,788.28x = 1,029,182.52 × 406,256.52
4. Step 4: Simplify right side
   745,788.28x = 418,112,109,020.03
5. Step 5: Solve for x
   x = 418,112,109,020.03/745,788.28
6. Step 6: Final answer
   x = 560,631.11