Finding the Fourth Proportional to 23,916.42, 33,003.72 and 13,306.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,916.42 : 33,003.72 = 13,306.32 : x
2. Step 2: Convert to fraction form
   23,916.42/33,003.72 = 13,306.32/x
3. Step 3: Cross multiply
   23,916.42x = 33,003.72 × 13,306.32
4. Step 4: Simplify right side
   23,916.42x = 439,158,059.51
5. Step 5: Solve for x
   x = 439,158,059.51/23,916.42
6. Step 6: Final answer
   x = 18,362.20