Finding the Fourth Proportional to 1,301.27, 1,789.70 and 1,038.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.27 : 1,789.70 = 1,038.83 : x
2. Step 2: Convert to fraction form
   1,301.27/1,789.70 = 1,038.83/x
3. Step 3: Cross multiply
   1,301.27x = 1,789.70 × 1,038.83
4. Step 4: Simplify right side
   1,301.27x = 1,859,179.91
5. Step 5: Solve for x
   x = 1,859,179.91/1,301.27
6. Step 6: Final answer
   x = 1,428.75