Finding the Fourth Proportional to 1,031.54, 1,545.15 and 753.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,031.54 : 1,545.15 = 753.71 : x
2. Step 2: Convert to fraction form
   1,031.54/1,545.15 = 753.71/x
3. Step 3: Cross multiply
   1,031.54x = 1,545.15 × 753.71
4. Step 4: Simplify right side
   1,031.54x = 1,164,595.01
5. Step 5: Solve for x
   x = 1,164,595.01/1,031.54
6. Step 6: Final answer
   x = 1,128.99