Finding the Fourth Proportional to 12,538.88, 18,808.15 and 3,051.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,538.88 : 18,808.15 = 3,051.24 : x
2. Step 2: Convert to fraction form
   12,538.88/18,808.15 = 3,051.24/x
3. Step 3: Cross multiply
   12,538.88x = 18,808.15 × 3,051.24
4. Step 4: Simplify right side
   12,538.88x = 57,388,179.61
5. Step 5: Solve for x
   x = 57,388,179.61/12,538.88
6. Step 6: Final answer
   x = 4,576.82