Finding the Fourth Proportional to 1,123.07, 1,548.96 and 730.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.07 : 1,548.96 = 730.22 : x
2. Step 2: Convert to fraction form
   1,123.07/1,548.96 = 730.22/x
3. Step 3: Cross multiply
   1,123.07x = 1,548.96 × 730.22
4. Step 4: Simplify right side
   1,123.07x = 1,131,081.57
5. Step 5: Solve for x
   x = 1,131,081.57/1,123.07
6. Step 6: Final answer
   x = 1,007.13