Finding the Fourth Proportional to 12,377.81, 17,081.42 and 7,344.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.81 : 17,081.42 = 7,344.53 : x
2. Step 2: Convert to fraction form
   12,377.81/17,081.42 = 7,344.53/x
3. Step 3: Cross multiply
   12,377.81x = 17,081.42 × 7,344.53
4. Step 4: Simplify right side
   12,377.81x = 125,454,879.50
5. Step 5: Solve for x
   x = 125,454,879.50/12,377.81
6. Step 6: Final answer
   x = 10,135.47