Finding the Fourth Proportional to 12,540.28, 18,810.24 and 3,052.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,540.28 : 18,810.24 = 3,052.69 : x
2. Step 2: Convert to fraction form
   12,540.28/18,810.24 = 3,052.69/x
3. Step 3: Cross multiply
   12,540.28x = 18,810.24 × 3,052.69
4. Step 4: Simplify right side
   12,540.28x = 57,421,843.61
5. Step 5: Solve for x
   x = 57,421,843.61/12,540.28
6. Step 6: Final answer
   x = 4,578.99