Finding the Fourth Proportional to 1,066.52, 1,596.26 and 653.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.52 : 1,596.26 = 653.72 : x
2. Step 2: Convert to fraction form
   1,066.52/1,596.26 = 653.72/x
3. Step 3: Cross multiply
   1,066.52x = 1,596.26 × 653.72
4. Step 4: Simplify right side
   1,066.52x = 1,043,500.74
5. Step 5: Solve for x
   x = 1,043,500.74/1,066.52
6. Step 6: Final answer
   x = 978.41