Finding the Fourth Proportional to 12,552.39, 18,828.72 and 3,787.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,552.39 : 18,828.72 = 3,787.38 : x
2. Step 2: Convert to fraction form
   12,552.39/18,828.72 = 3,787.38/x
3. Step 3: Cross multiply
   12,552.39x = 18,828.72 × 3,787.38
4. Step 4: Simplify right side
   12,552.39x = 71,311,517.55
5. Step 5: Solve for x
   x = 71,311,517.55/12,552.39
6. Step 6: Final answer
   x = 5,681.11