Finding the Fourth Proportional to 2,463.42, 3,399.57 and 1,415.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,463.42 : 3,399.57 = 1,415.55 : x
2. Step 2: Convert to fraction form
   2,463.42/3,399.57 = 1,415.55/x
3. Step 3: Cross multiply
   2,463.42x = 3,399.57 × 1,415.55
4. Step 4: Simplify right side
   2,463.42x = 4,812,261.31
5. Step 5: Solve for x
   x = 4,812,261.31/2,463.42
6. Step 6: Final answer
   x = 1,953.49