Finding the Fourth Proportional to 743,103.99, 1,025,488.89 and 403,572.24

Step by Step Solution

1. Step 1: Write the proportion equation
   743,103.99 : 1,025,488.89 = 403,572.24 : x
2. Step 2: Convert to fraction form
   743,103.99/1,025,488.89 = 403,572.24/x
3. Step 3: Cross multiply
   743,103.99x = 1,025,488.89 × 403,572.24
4. Step 4: Simplify right side
   743,103.99x = 413,858,848,432.41
5. Step 5: Solve for x
   x = 413,858,848,432.41/743,103.99
6. Step 6: Final answer
   x = 556,932.62