Finding the Fourth Proportional to 743,569.48, 1,026,123.86 and 404,037.72

Step by Step Solution

1. Step 1: Write the proportion equation
   743,569.48 : 1,026,123.86 = 404,037.72 : x
2. Step 2: Convert to fraction form
   743,569.48/1,026,123.86 = 404,037.72/x
3. Step 3: Cross multiply
   743,569.48x = 1,026,123.86 × 404,037.72
4. Step 4: Simplify right side
   743,569.48x = 414,592,744,832.00
5. Step 5: Solve for x
   x = 414,592,744,832.00/743,569.48
6. Step 6: Final answer
   x = 557,570.95