Finding the Fourth Proportional to 1,162.59, 1,744.58 and 615.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.59 : 1,744.58 = 615.16 : x
2. Step 2: Convert to fraction form
   1,162.59/1,744.58 = 615.16/x
3. Step 3: Cross multiply
   1,162.59x = 1,744.58 × 615.16
4. Step 4: Simplify right side
   1,162.59x = 1,073,195.83
5. Step 5: Solve for x
   x = 1,073,195.83/1,162.59
6. Step 6: Final answer
   x = 923.11