Finding the Fourth Proportional to 11,683.89, 17,500.91 and 9,453.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,683.89 : 17,500.91 = 9,453.15 : x
2. Step 2: Convert to fraction form
   11,683.89/17,500.91 = 9,453.15/x
3. Step 3: Cross multiply
   11,683.89x = 17,500.91 × 9,453.15
4. Step 4: Simplify right side
   11,683.89x = 165,438,680.10
5. Step 5: Solve for x
   x = 165,438,680.10/11,683.89
6. Step 6: Final answer
   x = 14,159.55