Finding the Fourth Proportional to 12,065.24, 18,088.13 and 5,144.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,065.24 : 18,088.13 = 5,144.60 : x
2. Step 2: Convert to fraction form
   12,065.24/18,088.13 = 5,144.60/x
3. Step 3: Cross multiply
   12,065.24x = 18,088.13 × 5,144.60
4. Step 4: Simplify right side
   12,065.24x = 93,056,077.43
5. Step 5: Solve for x
   x = 93,056,077.43/12,065.24
6. Step 6: Final answer
   x = 7,712.74