Finding the Fourth Proportional to 12,103, 16,700.18 and 7,066.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,103 : 16,700.18 = 7,066.40 : x
2. Step 2: Convert to fraction form
   12,103/16,700.18 = 7,066.40/x
3. Step 3: Cross multiply
   12,103x = 16,700.18 × 7,066.40
4. Step 4: Simplify right side
   12,103x = 118,010,151.95
5. Step 5: Solve for x
   x = 118,010,151.95/12,103
6. Step 6: Final answer
   x = 9,750.49