Finding the Fourth Proportional to 1,443.27, 2,158.14 and 1,031.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.27 : 2,158.14 = 1,031.13 : x
2. Step 2: Convert to fraction form
   1,443.27/2,158.14 = 1,031.13/x
3. Step 3: Cross multiply
   1,443.27x = 2,158.14 × 1,031.13
4. Step 4: Simplify right side
   1,443.27x = 2,225,326.76
5. Step 5: Solve for x
   x = 2,225,326.76/1,443.27
6. Step 6: Final answer
   x = 1,541.87