Finding the Fourth Proportional to 12,429.74, 17,119.78 and 10,751.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,429.74 : 17,119.78 = 10,751.22 : x
2. Step 2: Convert to fraction form
   12,429.74/17,119.78 = 10,751.22/x
3. Step 3: Cross multiply
   12,429.74x = 17,119.78 × 10,751.22
4. Step 4: Simplify right side
   12,429.74x = 184,058,494.25
5. Step 5: Solve for x
   x = 184,058,494.25/12,429.74
6. Step 6: Final answer
   x = 14,807.91