Finding the Fourth Proportional to 3,965.76, 5,470.74 and 2,474.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,965.76 : 5,470.74 = 2,474.82 : x
2. Step 2: Convert to fraction form
   3,965.76/5,470.74 = 2,474.82/x
3. Step 3: Cross multiply
   3,965.76x = 5,470.74 × 2,474.82
4. Step 4: Simplify right side
   3,965.76x = 13,539,096.77
5. Step 5: Solve for x
   x = 13,539,096.77/3,965.76
6. Step 6: Final answer
   x = 3,414.00