Finding the Fourth Proportional to 745,783.12, 1,029,182.56 and 406,253.84

Step by Step Solution

1. Step 1: Write the proportion equation
   745,783.12 : 1,029,182.56 = 406,253.84 : x
2. Step 2: Convert to fraction form
   745,783.12/1,029,182.56 = 406,253.84/x
3. Step 3: Cross multiply
   745,783.12x = 1,029,182.56 × 406,253.84
4. Step 4: Simplify right side
   745,783.12x = 418,109,367,061.03
5. Step 5: Solve for x
   x = 418,109,367,061.03/745,783.12
6. Step 6: Final answer
   x = 560,631.31