Finding the Fourth Proportional to 17,667.10, 26,487.15 and 8,908.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,667.10 : 26,487.15 = 8,908.30 : x
2. Step 2: Convert to fraction form
   17,667.10/26,487.15 = 8,908.30/x
3. Step 3: Cross multiply
   17,667.10x = 26,487.15 × 8,908.30
4. Step 4: Simplify right side
   17,667.10x = 235,955,478.35
5. Step 5: Solve for x
   x = 235,955,478.35/17,667.10
6. Step 6: Final answer
   x = 13,355.64