Finding the Fourth Proportional to 10,810.72, 16,194.48 and 9,897.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,810.72 : 16,194.48 = 9,897.04 : x
2. Step 2: Convert to fraction form
   10,810.72/16,194.48 = 9,897.04/x
3. Step 3: Cross multiply
   10,810.72x = 16,194.48 × 9,897.04
4. Step 4: Simplify right side
   10,810.72x = 160,277,416.34
5. Step 5: Solve for x
   x = 160,277,416.34/10,810.72
6. Step 6: Final answer
   x = 14,825.79