Finding the Fourth Proportional to 1,124.50, 1,551.82 and 658.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.50 : 1,551.82 = 658.76 : x
2. Step 2: Convert to fraction form
   1,124.50/1,551.82 = 658.76/x
3. Step 3: Cross multiply
   1,124.50x = 1,551.82 × 658.76
4. Step 4: Simplify right side
   1,124.50x = 1,022,276.94
5. Step 5: Solve for x
   x = 1,022,276.94/1,124.50
6. Step 6: Final answer
   x = 909.09