Finding the Fourth Proportional to 23,727, 32,742.72 and 13,116.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,727 : 32,742.72 = 13,116.72 : x
2. Step 2: Convert to fraction form
   23,727/32,742.72 = 13,116.72/x
3. Step 3: Cross multiply
   23,727x = 32,742.72 × 13,116.72
4. Step 4: Simplify right side
   23,727x = 429,477,090.28
5. Step 5: Solve for x
   x = 429,477,090.28/23,727
6. Step 6: Final answer
   x = 18,100.78