Finding the Fourth Proportional to 23,328.32, 32,188.52 and 13,771.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,328.32 : 32,188.52 = 13,771.20 : x
2. Step 2: Convert to fraction form
   23,328.32/32,188.52 = 13,771.20/x
3. Step 3: Cross multiply
   23,328.32x = 32,188.52 × 13,771.20
4. Step 4: Simplify right side
   23,328.32x = 443,274,546.62
5. Step 5: Solve for x
   x = 443,274,546.62/23,328.32
6. Step 6: Final answer
   x = 19,001.56