Finding the Fourth Proportional to 11,667.34, 17,466.99 and 9,072.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,667.34 : 17,466.99 = 9,072.10 : x
2. Step 2: Convert to fraction form
   11,667.34/17,466.99 = 9,072.10/x
3. Step 3: Cross multiply
   11,667.34x = 17,466.99 × 9,072.10
4. Step 4: Simplify right side
   11,667.34x = 158,462,279.98
5. Step 5: Solve for x
   x = 158,462,279.98/11,667.34
6. Step 6: Final answer
   x = 13,581.70