Finding the Fourth Proportional to 743,111.04, 1,114,315.42 and 287,915.52

Step by Step Solution

1. Step 1: Write the proportion equation
   743,111.04 : 1,114,315.42 = 287,915.52 : x
2. Step 2: Convert to fraction form
   743,111.04/1,114,315.42 = 287,915.52/x
3. Step 3: Cross multiply
   743,111.04x = 1,114,315.42 × 287,915.52
4. Step 4: Simplify right side
   743,111.04x = 320,828,703,593.32
5. Step 5: Solve for x
   x = 320,828,703,593.32/743,111.04
6. Step 6: Final answer
   x = 431,737.23