Finding the Fourth Proportional to 12,194.01, 16,827.39 and 7,158.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,194.01 : 16,827.39 = 7,158.15 : x
2. Step 2: Convert to fraction form
   12,194.01/16,827.39 = 7,158.15/x
3. Step 3: Cross multiply
   12,194.01x = 16,827.39 × 7,158.15
4. Step 4: Simplify right side
   12,194.01x = 120,452,981.73
5. Step 5: Solve for x
   x = 120,452,981.73/12,194.01
6. Step 6: Final answer
   x = 9,878.05