Finding the Fourth Proportional to 1,030.88, 1,422.50 and 588.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030.88 : 1,422.50 = 588.69 : x
2. Step 2: Convert to fraction form
   1,030.88/1,422.50 = 588.69/x
3. Step 3: Cross multiply
   1,030.88x = 1,422.50 × 588.69
4. Step 4: Simplify right side
   1,030.88x = 837,408.58
5. Step 5: Solve for x
   x = 837,408.58/1,030.88
6. Step 6: Final answer
   x = 812.33