Finding the Fourth Proportional to 1,002.44, 1,383.32 and 560.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.44 : 1,383.32 = 560.25 : x
2. Step 2: Convert to fraction form
   1,002.44/1,383.32 = 560.25/x
3. Step 3: Cross multiply
   1,002.44x = 1,383.32 × 560.25
4. Step 4: Simplify right side
   1,002.44x = 775,002.23
5. Step 5: Solve for x
   x = 775,002.23/1,002.44
6. Step 6: Final answer
   x = 773.12