Finding the Fourth Proportional to 2,472.64, 3,411.68 and 1,424.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.64 : 3,411.68 = 1,424.72 : x
2. Step 2: Convert to fraction form
   2,472.64/3,411.68 = 1,424.72/x
3. Step 3: Cross multiply
   2,472.64x = 3,411.68 × 1,424.72
4. Step 4: Simplify right side
   2,472.64x = 4,860,688.73
5. Step 5: Solve for x
   x = 4,860,688.73/2,472.64
6. Step 6: Final answer
   x = 1,965.79