Finding the Fourth Proportional to 12,667.89, 17,476.10 and 7,629.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.89 : 17,476.10 = 7,629.14 : x
2. Step 2: Convert to fraction form
   12,667.89/17,476.10 = 7,629.14/x
3. Step 3: Cross multiply
   12,667.89x = 17,476.10 × 7,629.14
4. Step 4: Simplify right side
   12,667.89x = 133,327,592.32
5. Step 5: Solve for x
   x = 133,327,592.32/12,667.89
6. Step 6: Final answer
   x = 10,524.84