Finding the Fourth Proportional to 16,100.57, 24,138.71 and 10,555.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,100.57 : 24,138.71 = 10,555.31 : x
2. Step 2: Convert to fraction form
   16,100.57/24,138.71 = 10,555.31/x
3. Step 3: Cross multiply
   16,100.57x = 24,138.71 × 10,555.31
4. Step 4: Simplify right side
   16,100.57x = 254,791,614.20
5. Step 5: Solve for x
   x = 254,791,614.20/16,100.57
6. Step 6: Final answer
   x = 15,825.00