Finding the Fourth Proportional to 730,131.72, 1,007,560.56 and 403,439.54

Step by Step Solution

1. Step 1: Write the proportion equation
   730,131.72 : 1,007,560.56 = 403,439.54 : x
2. Step 2: Convert to fraction form
   730,131.72/1,007,560.56 = 403,439.54/x
3. Step 3: Cross multiply
   730,131.72x = 1,007,560.56 × 403,439.54
4. Step 4: Simplify right side
   730,131.72x = 406,489,762,802.14
5. Step 5: Solve for x
   x = 406,489,762,802.14/730,131.72
6. Step 6: Final answer
   x = 556,734.84