Finding the Fourth Proportional to 23,722.17, 32,736.13 and 13,111.57

Step by Step Solution

1. Step 1: Write the proportion equation
   23,722.17 : 32,736.13 = 13,111.57 : x
2. Step 2: Convert to fraction form
   23,722.17/32,736.13 = 13,111.57/x
3. Step 3: Cross multiply
   23,722.17x = 32,736.13 × 13,111.57
4. Step 4: Simplify right side
   23,722.17x = 429,222,060.02
5. Step 5: Solve for x
   x = 429,222,060.02/23,722.17
6. Step 6: Final answer
   x = 18,093.71