Finding the Fourth Proportional to 1,002.32, 1,383.03 and 560.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.32 : 1,383.03 = 560.15 : x
2. Step 2: Convert to fraction form
   1,002.32/1,383.03 = 560.15/x
3. Step 3: Cross multiply
   1,002.32x = 1,383.03 × 560.15
4. Step 4: Simplify right side
   1,002.32x = 774,697.34
5. Step 5: Solve for x
   x = 774,697.34/1,002.32
6. Step 6: Final answer
   x = 772.91