Finding the Fourth Proportional to 23,388.72, 32,272.08 and 13,958.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,388.72 : 32,272.08 = 13,958.16 : x
2. Step 2: Convert to fraction form
   23,388.72/32,272.08 = 13,958.16/x
3. Step 3: Cross multiply
   23,388.72x = 32,272.08 × 13,958.16
4. Step 4: Simplify right side
   23,388.72x = 450,458,856.17
5. Step 5: Solve for x
   x = 450,458,856.17/23,388.72
6. Step 6: Final answer
   x = 19,259.66