Finding the Fourth Proportional to 1,085.46, 1,497.92 and 588.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.46 : 1,497.92 = 588.09 : x
2. Step 2: Convert to fraction form
   1,085.46/1,497.92 = 588.09/x
3. Step 3: Cross multiply
   1,085.46x = 1,497.92 × 588.09
4. Step 4: Simplify right side
   1,085.46x = 880,911.77
5. Step 5: Solve for x
   x = 880,911.77/1,085.46
6. Step 6: Final answer
   x = 811.56