Finding the Fourth Proportional to 1,085.82, 1,498.43 and 588.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.82 : 1,498.43 = 588.46 : x
2. Step 2: Convert to fraction form
   1,085.82/1,498.43 = 588.46/x
3. Step 3: Cross multiply
   1,085.82x = 1,498.43 × 588.46
4. Step 4: Simplify right side
   1,085.82x = 881,761.61
5. Step 5: Solve for x
   x = 881,761.61/1,085.82
6. Step 6: Final answer
   x = 812.07