Finding the Fourth Proportional to 1,162.52, 1,602.30 and 868.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.52 : 1,602.30 = 868.76 : x
2. Step 2: Convert to fraction form
   1,162.52/1,602.30 = 868.76/x
3. Step 3: Cross multiply
   1,162.52x = 1,602.30 × 868.76
4. Step 4: Simplify right side
   1,162.52x = 1,392,014.15
5. Step 5: Solve for x
   x = 1,392,014.15/1,162.52
6. Step 6: Final answer
   x = 1,197.41