Finding the Fourth Proportional to 16,667.62, 23,002.03 and 9,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,667.62 : 23,002.03 = 9,113.50 : x
2. Step 2: Convert to fraction form
   16,667.62/23,002.03 = 9,113.50/x
3. Step 3: Cross multiply
   16,667.62x = 23,002.03 × 9,113.50
4. Step 4: Simplify right side
   16,667.62x = 209,629,000.41
5. Step 5: Solve for x
   x = 209,629,000.41/16,667.62
6. Step 6: Final answer
   x = 12,577.02