Finding the Fourth Proportional to 1,123.88, 1,549.93 and 884.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.88 : 1,549.93 = 884.71 : x
2. Step 2: Convert to fraction form
   1,123.88/1,549.93 = 884.71/x
3. Step 3: Cross multiply
   1,123.88x = 1,549.93 × 884.71
4. Step 4: Simplify right side
   1,123.88x = 1,371,238.57
5. Step 5: Solve for x
   x = 1,371,238.57/1,123.88
6. Step 6: Final answer
   x = 1,220.09