Finding the Fourth Proportional to 2,521.56, 3,479.76 and 1,766.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.56 : 3,479.76 = 1,766.46 : x
2. Step 2: Convert to fraction form
   2,521.56/3,479.76 = 1,766.46/x
3. Step 3: Cross multiply
   2,521.56x = 3,479.76 × 1,766.46
4. Step 4: Simplify right side
   2,521.56x = 6,146,856.85
5. Step 5: Solve for x
   x = 6,146,856.85/2,521.56
6. Step 6: Final answer
   x = 2,437.72