Finding the Fourth Proportional to 16,557.89, 24,807.94 and 13,802.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,557.89 : 24,807.94 = 13,802.27 : x
2. Step 2: Convert to fraction form
   16,557.89/24,807.94 = 13,802.27/x
3. Step 3: Cross multiply
   16,557.89x = 24,807.94 × 13,802.27
4. Step 4: Simplify right side
   16,557.89x = 342,405,886.02
5. Step 5: Solve for x
   x = 342,405,886.02/16,557.89
6. Step 6: Final answer
   x = 20,679.32