Finding the Fourth Proportional to 1,031.82, 1,423.90 and 566.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,031.82 : 1,423.90 = 566.06 : x
2. Step 2: Convert to fraction form
   1,031.82/1,423.90 = 566.06/x
3. Step 3: Cross multiply
   1,031.82x = 1,423.90 × 566.06
4. Step 4: Simplify right side
   1,031.82x = 806,012.83
5. Step 5: Solve for x
   x = 806,012.83/1,031.82
6. Step 6: Final answer
   x = 781.16