Finding the Fourth Proportional to 12,182.18, 16,808.55 and 7,146.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,182.18 : 16,808.55 = 7,146.14 : x
2. Step 2: Convert to fraction form
   12,182.18/16,808.55 = 7,146.14/x
3. Step 3: Cross multiply
   12,182.18x = 16,808.55 × 7,146.14
4. Step 4: Simplify right side
   12,182.18x = 120,116,227.34
5. Step 5: Solve for x
   x = 120,116,227.34/12,182.18
6. Step 6: Final answer
   x = 9,860.00