Finding the Fourth Proportional to 1,031.68, 1,423.72 and 565.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,031.68 : 1,423.72 = 565.94 : x
2. Step 2: Convert to fraction form
   1,031.68/1,423.72 = 565.94/x
3. Step 3: Cross multiply
   1,031.68x = 1,423.72 × 565.94
4. Step 4: Simplify right side
   1,031.68x = 805,740.10
5. Step 5: Solve for x
   x = 805,740.10/1,031.68
6. Step 6: Final answer
   x = 781.00