Finding the Fourth Proportional to 12,101.32, 18,144.22 and 5,085.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,101.32 : 18,144.22 = 5,085.88 : x
2. Step 2: Convert to fraction form
   12,101.32/18,144.22 = 5,085.88/x
3. Step 3: Cross multiply
   12,101.32x = 18,144.22 × 5,085.88
4. Step 4: Simplify right side
   12,101.32x = 92,279,325.61
5. Step 5: Solve for x
   x = 92,279,325.61/12,101.32
6. Step 6: Final answer
   x = 7,625.56