Finding the Fourth Proportional to 12,297.98, 18,451.62 and 7,371.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,297.98 : 18,451.62 = 7,371.15 : x
2. Step 2: Convert to fraction form
   12,297.98/18,451.62 = 7,371.15/x
3. Step 3: Cross multiply
   12,297.98x = 18,451.62 × 7,371.15
4. Step 4: Simplify right side
   12,297.98x = 136,009,658.76
5. Step 5: Solve for x
   x = 136,009,658.76/12,297.98
6. Step 6: Final answer
   x = 11,059.51