Finding the Fourth Proportional to 10,731.42, 16,100.37 and 8,874.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,731.42 : 16,100.37 = 8,874.06 : x
2. Step 2: Convert to fraction form
   10,731.42/16,100.37 = 8,874.06/x
3. Step 3: Cross multiply
   10,731.42x = 16,100.37 × 8,874.06
4. Step 4: Simplify right side
   10,731.42x = 142,875,649.40
5. Step 5: Solve for x
   x = 142,875,649.40/10,731.42
6. Step 6: Final answer
   x = 13,313.77