Finding the Fourth Proportional to 12,158.32, 18,230.18 and 4,753.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,158.32 : 18,230.18 = 4,753.95 : x
2. Step 2: Convert to fraction form
   12,158.32/18,230.18 = 4,753.95/x
3. Step 3: Cross multiply
   12,158.32x = 18,230.18 × 4,753.95
4. Step 4: Simplify right side
   12,158.32x = 86,665,408.80
5. Step 5: Solve for x
   x = 86,665,408.80/12,158.32
6. Step 6: Final answer
   x = 7,128.08