Finding the Fourth Proportional to 1,030.83, 1,422.32 and 588.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030.83 : 1,422.32 = 588.59 : x
2. Step 2: Convert to fraction form
   1,030.83/1,422.32 = 588.59/x
3. Step 3: Cross multiply
   1,030.83x = 1,422.32 × 588.59
4. Step 4: Simplify right side
   1,030.83x = 837,160.39
5. Step 5: Solve for x
   x = 837,160.39/1,030.83
6. Step 6: Final answer
   x = 812.12