Finding the Fourth Proportional to 12,250.60, 18,384.22 and 8,081.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,250.60 : 18,384.22 = 8,081.64 : x
2. Step 2: Convert to fraction form
   12,250.60/18,384.22 = 8,081.64/x
3. Step 3: Cross multiply
   12,250.60x = 18,384.22 × 8,081.64
4. Step 4: Simplify right side
   12,250.60x = 148,574,647.72
5. Step 5: Solve for x
   x = 148,574,647.72/12,250.60
6. Step 6: Final answer
   x = 12,127.95