Finding the Fourth Proportional to 723,061.36, 997,884.42 and 400,872.52

Step by Step Solution

1. Step 1: Write the proportion equation
   723,061.36 : 997,884.42 = 400,872.52 : x
2. Step 2: Convert to fraction form
   723,061.36/997,884.42 = 400,872.52/x
3. Step 3: Cross multiply
   723,061.36x = 997,884.42 × 400,872.52
4. Step 4: Simplify right side
   723,061.36x = 400,024,442,114.14
5. Step 5: Solve for x
   x = 400,024,442,114.14/723,061.36
6. Step 6: Final answer
   x = 553,237.20