Finding the Fourth Proportional to 2,527.55, 3,787.74 and 1,429.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,527.55 : 3,787.74 = 1,429.61 : x
2. Step 2: Convert to fraction form
   2,527.55/3,787.74 = 1,429.61/x
3. Step 3: Cross multiply
   2,527.55x = 3,787.74 × 1,429.61
4. Step 4: Simplify right side
   2,527.55x = 5,414,990.98
5. Step 5: Solve for x
   x = 5,414,990.98/2,527.55
6. Step 6: Final answer
   x = 2,142.39