Finding the Fourth Proportional to 12,627.33, 17,421.48 and 8,154.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,627.33 : 17,421.48 = 8,154.10 : x
2. Step 2: Convert to fraction form
   12,627.33/17,421.48 = 8,154.10/x
3. Step 3: Cross multiply
   12,627.33x = 17,421.48 × 8,154.10
4. Step 4: Simplify right side
   12,627.33x = 142,056,511.84
5. Step 5: Solve for x
   x = 142,056,511.84/12,627.33
6. Step 6: Final answer
   x = 11,249.93