Finding the Fourth Proportional to 12,402.48, 17,086.56 and 10,151.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,402.48 : 17,086.56 = 10,151.22 : x
2. Step 2: Convert to fraction form
   12,402.48/17,086.56 = 10,151.22/x
3. Step 3: Cross multiply
   12,402.48x = 17,086.56 × 10,151.22
4. Step 4: Simplify right side
   12,402.48x = 173,449,429.60
5. Step 5: Solve for x
   x = 173,449,429.60/12,402.48
6. Step 6: Final answer
   x = 13,985.06