Finding the Fourth Proportional to 1,320.24, 1,978.92 and 588.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,320.24 : 1,978.92 = 588.82 : x
2. Step 2: Convert to fraction form
   1,320.24/1,978.92 = 588.82/x
3. Step 3: Cross multiply
   1,320.24x = 1,978.92 × 588.82
4. Step 4: Simplify right side
   1,320.24x = 1,165,227.67
5. Step 5: Solve for x
   x = 1,165,227.67/1,320.24
6. Step 6: Final answer
   x = 882.59