Finding the Fourth Proportional to 16,193.06, 24,260.42 and 13,557.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,193.06 : 24,260.42 = 13,557.72 : x
2. Step 2: Convert to fraction form
   16,193.06/24,260.42 = 13,557.72/x
3. Step 3: Cross multiply
   16,193.06x = 24,260.42 × 13,557.72
4. Step 4: Simplify right side
   16,193.06x = 328,916,015.34
5. Step 5: Solve for x
   x = 328,916,015.34/16,193.06
6. Step 6: Final answer
   x = 20,312.17