Finding the Fourth Proportional to 23,728.63, 32,742.66 and 13,116.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,728.63 : 32,742.66 = 13,116.82 : x
2. Step 2: Convert to fraction form
   23,728.63/32,742.66 = 13,116.82/x
3. Step 3: Cross multiply
   23,728.63x = 32,742.66 × 13,116.82
4. Step 4: Simplify right side
   23,728.63x = 429,479,577.54
5. Step 5: Solve for x
   x = 429,479,577.54/23,728.63
6. Step 6: Final answer
   x = 18,099.64