Finding the Fourth Proportional to 10,801.34, 16,173.98 and 9,251.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,801.34 : 16,173.98 = 9,251.31 : x
2. Step 2: Convert to fraction form
   10,801.34/16,173.98 = 9,251.31/x
3. Step 3: Cross multiply
   10,801.34x = 16,173.98 × 9,251.31
4. Step 4: Simplify right side
   10,801.34x = 149,630,502.91
5. Step 5: Solve for x
   x = 149,630,502.91/10,801.34
6. Step 6: Final answer
   x = 13,852.96