Finding the Fourth Proportional to 1,147.32, 1,717.80 and 868.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147.32 : 1,717.80 = 868.82 : x
2. Step 2: Convert to fraction form
   1,147.32/1,717.80 = 868.82/x
3. Step 3: Cross multiply
   1,147.32x = 1,717.80 × 868.82
4. Step 4: Simplify right side
   1,147.32x = 1,492,459.00
5. Step 5: Solve for x
   x = 1,492,459.00/1,147.32
6. Step 6: Final answer
   x = 1,300.82