Finding the Fourth Proportional to 1,088.05, 1,501.52 and 590.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,088.05 : 1,501.52 = 590.69 : x
2. Step 2: Convert to fraction form
   1,088.05/1,501.52 = 590.69/x
3. Step 3: Cross multiply
   1,088.05x = 1,501.52 × 590.69
4. Step 4: Simplify right side
   1,088.05x = 886,932.85
5. Step 5: Solve for x
   x = 886,932.85/1,088.05
6. Step 6: Final answer
   x = 815.16