Finding the Fourth Proportional to 23,397.96, 32,289 and 13,188.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,397.96 : 32,289 = 13,188.06 : x
2. Step 2: Convert to fraction form
   23,397.96/32,289 = 13,188.06/x
3. Step 3: Cross multiply
   23,397.96x = 32,289 × 13,188.06
4. Step 4: Simplify right side
   23,397.96x = 425,829,269.34
5. Step 5: Solve for x
   x = 425,829,269.34/23,397.96
6. Step 6: Final answer
   x = 18,199.42