Finding the Fourth Proportional to 16,711.25, 23,061.53 and 9,997.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,711.25 : 23,061.53 = 9,997.16 : x
2. Step 2: Convert to fraction form
   16,711.25/23,061.53 = 9,997.16/x
3. Step 3: Cross multiply
   16,711.25x = 23,061.53 × 9,997.16
4. Step 4: Simplify right side
   16,711.25x = 230,549,805.25
5. Step 5: Solve for x
   x = 230,549,805.25/16,711.25
6. Step 6: Final answer
   x = 13,796.08