Finding the Fourth Proportional to 1,088.34, 1,501.89 and 590.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,088.34 : 1,501.89 = 590.97 : x
2. Step 2: Convert to fraction form
   1,088.34/1,501.89 = 590.97/x
3. Step 3: Cross multiply
   1,088.34x = 1,501.89 × 590.97
4. Step 4: Simplify right side
   1,088.34x = 887,571.93
5. Step 5: Solve for x
   x = 887,571.93/1,088.34
6. Step 6: Final answer
   x = 815.53