Finding the Fourth Proportional to 16,856.48, 23,270.27 and 10,147.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,856.48 : 23,270.27 = 10,147.25 : x
2. Step 2: Convert to fraction form
   16,856.48/23,270.27 = 10,147.25/x
3. Step 3: Cross multiply
   16,856.48x = 23,270.27 × 10,147.25
4. Step 4: Simplify right side
   16,856.48x = 236,129,080.17
5. Step 5: Solve for x
   x = 236,129,080.17/16,856.48
6. Step 6: Final answer
   x = 14,008.21