Finding the Fourth Proportional to 1,007,449.38, 1,511,373.50 and 287,797.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,449.38 : 1,511,373.50 = 287,797.29 : x
2. Step 2: Convert to fraction form
   1,007,449.38/1,511,373.50 = 287,797.29/x
3. Step 3: Cross multiply
   1,007,449.38x = 1,511,373.50 × 287,797.29
4. Step 4: Simplify right side
   1,007,449.38x = 434,969,196,038.83
5. Step 5: Solve for x
   x = 434,969,196,038.83/1,007,449.38
6. Step 6: Final answer
   x = 431,752.91