Finding the Fourth Proportional to 16,200.51, 24,258.72 and 13,875.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,200.51 : 24,258.72 = 13,875.47 : x
2. Step 2: Convert to fraction form
   16,200.51/24,258.72 = 13,875.47/x
3. Step 3: Cross multiply
   16,200.51x = 24,258.72 × 13,875.47
4. Step 4: Simplify right side
   16,200.51x = 336,601,020.30
5. Step 5: Solve for x
   x = 336,601,020.30/16,200.51
6. Step 6: Final answer
   x = 20,777.19