Finding the Fourth Proportional to 1,831.50, 2,527.43 and 1,123.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831.50 : 2,527.43 = 1,123.62 : x
2. Step 2: Convert to fraction form
   1,831.50/2,527.43 = 1,123.62/x
3. Step 3: Cross multiply
   1,831.50x = 2,527.43 × 1,123.62
4. Step 4: Simplify right side
   1,831.50x = 2,839,870.90
5. Step 5: Solve for x
   x = 2,839,870.90/1,831.50
6. Step 6: Final answer
   x = 1,550.57