Finding the Fourth Proportional to 1,031.34, 1,423.82 and 752.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,031.34 : 1,423.82 = 752.19 : x
2. Step 2: Convert to fraction form
   1,031.34/1,423.82 = 752.19/x
3. Step 3: Cross multiply
   1,031.34x = 1,423.82 × 752.19
4. Step 4: Simplify right side
   1,031.34x = 1,070,983.17
5. Step 5: Solve for x
   x = 1,070,983.17/1,031.34
6. Step 6: Final answer
   x = 1,038.44