Finding the Fourth Proportional to 16,200.76, 24,259.09 and 13,875.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,200.76 : 24,259.09 = 13,875.72 : x
2. Step 2: Convert to fraction form
   16,200.76/24,259.09 = 13,875.72/x
3. Step 3: Cross multiply
   16,200.76x = 24,259.09 × 13,875.72
4. Step 4: Simplify right side
   16,200.76x = 336,612,340.29
5. Step 5: Solve for x
   x = 336,612,340.29/16,200.76
6. Step 6: Final answer
   x = 20,777.56