Finding the Fourth Proportional to 1,156.49, 1,595.94 and 659.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.49 : 1,595.94 = 659.15 : x
2. Step 2: Convert to fraction form
   1,156.49/1,595.94 = 659.15/x
3. Step 3: Cross multiply
   1,156.49x = 1,595.94 × 659.15
4. Step 4: Simplify right side
   1,156.49x = 1,051,963.85
5. Step 5: Solve for x
   x = 1,051,963.85/1,156.49
6. Step 6: Final answer
   x = 909.62