Finding the Fourth Proportional to 1,002.76, 1,510.15 and 882.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.76 : 1,510.15 = 882.34 : x
2. Step 2: Convert to fraction form
   1,002.76/1,510.15 = 882.34/x
3. Step 3: Cross multiply
   1,002.76x = 1,510.15 × 882.34
4. Step 4: Simplify right side
   1,002.76x = 1,332,465.75
5. Step 5: Solve for x
   x = 1,332,465.75/1,002.76
6. Step 6: Final answer
   x = 1,328.80