Finding the Fourth Proportional to 1,566.29, 2,158.50 and 1,123.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.29 : 2,158.50 = 1,123.42 : x
2. Step 2: Convert to fraction form
   1,566.29/2,158.50 = 1,123.42/x
3. Step 3: Cross multiply
   1,566.29x = 2,158.50 × 1,123.42
4. Step 4: Simplify right side
   1,566.29x = 2,424,898.61
5. Step 5: Solve for x
   x = 2,424,898.61/1,566.29
6. Step 6: Final answer
   x = 1,548.18