Finding the Fourth Proportional to 10,801.74, 16,165.89 and 6,851.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,801.74 : 16,165.89 = 6,851.10 : x
2. Step 2: Convert to fraction form
   10,801.74/16,165.89 = 6,851.10/x
3. Step 3: Cross multiply
   10,801.74x = 16,165.89 × 6,851.10
4. Step 4: Simplify right side
   10,801.74x = 110,754,128.98
5. Step 5: Solve for x
   x = 110,754,128.98/10,801.74
6. Step 6: Final answer
   x = 10,253.36