Finding the Fourth Proportional to 1,043.52, 1,567.68 and 654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.52 : 1,567.68 = 654.72 : x
2. Step 2: Convert to fraction form
   1,043.52/1,567.68 = 654.72/x
3. Step 3: Cross multiply
   1,043.52x = 1,567.68 × 654.72
4. Step 4: Simplify right side
   1,043.52x = 1,026,391.45
5. Step 5: Solve for x
   x = 1,026,391.45/1,043.52
6. Step 6: Final answer
   x = 983.59