Finding the Fourth Proportional to 12,808.89, 17,675.49 and 7,066.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,808.89 : 17,675.49 = 7,066.14 : x
2. Step 2: Convert to fraction form
   12,808.89/17,675.49 = 7,066.14/x
3. Step 3: Cross multiply
   12,808.89x = 17,675.49 × 7,066.14
4. Step 4: Simplify right side
   12,808.89x = 124,897,486.91
5. Step 5: Solve for x
   x = 124,897,486.91/12,808.89
6. Step 6: Final answer
   x = 9,750.84