Finding the Fourth Proportional to 17,182.68, 23,723.52 and 13,196.67

Step by Step Solution

1. Step 1: Write the proportion equation
   17,182.68 : 23,723.52 = 13,196.67 : x
2. Step 2: Convert to fraction form
   17,182.68/23,723.52 = 13,196.67/x
3. Step 3: Cross multiply
   17,182.68x = 23,723.52 × 13,196.67
4. Step 4: Simplify right side
   17,182.68x = 313,071,280.08
5. Step 5: Solve for x
   x = 313,071,280.08/17,182.68
6. Step 6: Final answer
   x = 18,220.17