Finding the Fourth Proportional to 1,097.86, 1,514.56 and 724.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097.86 : 1,514.56 = 724.32 : x
2. Step 2: Convert to fraction form
   1,097.86/1,514.56 = 724.32/x
3. Step 3: Cross multiply
   1,097.86x = 1,514.56 × 724.32
4. Step 4: Simplify right side
   1,097.86x = 1,097,026.10
5. Step 5: Solve for x
   x = 1,097,026.10/1,097.86
6. Step 6: Final answer
   x = 999.24