Finding the Fourth Proportional to 1,002.52, 1,383.52 and 560.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.52 : 1,383.52 = 560.52 : x
2. Step 2: Convert to fraction form
   1,002.52/1,383.52 = 560.52/x
3. Step 3: Cross multiply
   1,002.52x = 1,383.52 × 560.52
4. Step 4: Simplify right side
   1,002.52x = 775,490.63
5. Step 5: Solve for x
   x = 775,490.63/1,002.52
6. Step 6: Final answer
   x = 773.54