Finding the Fourth Proportional to 23,727.78, 32,742.72 and 13,117.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,727.78 : 32,742.72 = 13,117.32 : x
2. Step 2: Convert to fraction form
   23,727.78/32,742.72 = 13,117.32/x
3. Step 3: Cross multiply
   23,727.78x = 32,742.72 × 13,117.32
4. Step 4: Simplify right side
   23,727.78x = 429,496,735.91
5. Step 5: Solve for x
   x = 429,496,735.91/23,727.78
6. Step 6: Final answer
   x = 18,101.01