Finding the Fourth Proportional to 12,384.09, 17,081.96 and 7,344.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384.09 : 17,081.96 = 7,344.54 : x
2. Step 2: Convert to fraction form
   12,384.09/17,081.96 = 7,344.54/x
3. Step 3: Cross multiply
   12,384.09x = 17,081.96 × 7,344.54
4. Step 4: Simplify right side
   12,384.09x = 125,459,101.78
5. Step 5: Solve for x
   x = 125,459,101.78/12,384.09
6. Step 6: Final answer
   x = 10,130.67