Finding the Fourth Proportional to 1,359.47, 1,873.26 and 1,044.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.47 : 1,873.26 = 1,044.72 : x
2. Step 2: Convert to fraction form
   1,359.47/1,873.26 = 1,044.72/x
3. Step 3: Cross multiply
   1,359.47x = 1,873.26 × 1,044.72
4. Step 4: Simplify right side
   1,359.47x = 1,957,032.19
5. Step 5: Solve for x
   x = 1,957,032.19/1,359.47
6. Step 6: Final answer
   x = 1,439.56