Finding the Fourth Proportional to 1,156.59, 1,596.06 and 659.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.59 : 1,596.06 = 659.25 : x
2. Step 2: Convert to fraction form
   1,156.59/1,596.06 = 659.25/x
3. Step 3: Cross multiply
   1,156.59x = 1,596.06 × 659.25
4. Step 4: Simplify right side
   1,156.59x = 1,052,202.56
5. Step 5: Solve for x
   x = 1,052,202.56/1,156.59
6. Step 6: Final answer
   x = 909.75