Finding the Fourth Proportional to 1,030.26, 1,422.25 and 588.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030.26 : 1,422.25 = 588.07 : x
2. Step 2: Convert to fraction form
   1,030.26/1,422.25 = 588.07/x
3. Step 3: Cross multiply
   1,030.26x = 1,422.25 × 588.07
4. Step 4: Simplify right side
   1,030.26x = 836,389.52
5. Step 5: Solve for x
   x = 836,389.52/1,030.26
6. Step 6: Final answer
   x = 811.82