Finding the Fourth Proportional to 1,454.76, 2,182.61 and 869.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.76 : 2,182.61 = 869.67 : x
2. Step 2: Convert to fraction form
   1,454.76/2,182.61 = 869.67/x
3. Step 3: Cross multiply
   1,454.76x = 2,182.61 × 869.67
4. Step 4: Simplify right side
   1,454.76x = 1,898,152.61
5. Step 5: Solve for x
   x = 1,898,152.61/1,454.76
6. Step 6: Final answer
   x = 1,304.79