Finding the Fourth Proportional to 1,156.72, 1,596.38 and 659.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.72 : 1,596.38 = 659.52 : x
2. Step 2: Convert to fraction form
   1,156.72/1,596.38 = 659.52/x
3. Step 3: Cross multiply
   1,156.72x = 1,596.38 × 659.52
4. Step 4: Simplify right side
   1,156.72x = 1,052,844.54
5. Step 5: Solve for x
   x = 1,052,844.54/1,156.72
6. Step 6: Final answer
   x = 910.20