Finding the Fourth Proportional to 1,508.76, 2,079.72 and 1,065.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,508.76 : 2,079.72 = 1,065.96 : x
2. Step 2: Convert to fraction form
   1,508.76/2,079.72 = 1,065.96/x
3. Step 3: Cross multiply
   1,508.76x = 2,079.72 × 1,065.96
4. Step 4: Simplify right side
   1,508.76x = 2,216,898.33
5. Step 5: Solve for x
   x = 2,216,898.33/1,508.76
6. Step 6: Final answer
   x = 1,469.35