Finding the Fourth Proportional to 1,156.30, 1,595.72 and 658.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.30 : 1,595.72 = 658.93 : x
2. Step 2: Convert to fraction form
   1,156.30/1,595.72 = 658.93/x
3. Step 3: Cross multiply
   1,156.30x = 1,595.72 × 658.93
4. Step 4: Simplify right side
   1,156.30x = 1,051,467.78
5. Step 5: Solve for x
   x = 1,051,467.78/1,156.30
6. Step 6: Final answer
   x = 909.34