Finding the Fourth Proportional to 730,357.49, 1,007,945.50 and 403,663.48

Step by Step Solution

1. Step 1: Write the proportion equation
   730,357.49 : 1,007,945.50 = 403,663.48 : x
2. Step 2: Convert to fraction form
   730,357.49/1,007,945.50 = 403,663.48/x
3. Step 3: Cross multiply
   730,357.49x = 1,007,945.50 × 403,663.48
4. Step 4: Simplify right side
   730,357.49x = 406,870,784,651.32
5. Step 5: Solve for x
   x = 406,870,784,651.32/730,357.49
6. Step 6: Final answer
   x = 557,084.43