Finding the Fourth Proportional to 1,031.00, 1,422.63 and 565.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,031.00 : 1,422.63 = 565.25 : x
2. Step 2: Convert to fraction form
   1,031.00/1,422.63 = 565.25/x
3. Step 3: Cross multiply
   1,031.00x = 1,422.63 × 565.25
4. Step 4: Simplify right side
   1,031.00x = 804,134.49
5. Step 5: Solve for x
   x = 804,134.49/1,031.00
6. Step 6: Final answer
   x = 779.96