Finding the Fourth Proportional to 12,377.54, 18,544.71 and 10,310.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.54 : 18,544.71 = 10,310.83 : x
2. Step 2: Convert to fraction form
   12,377.54/18,544.71 = 10,310.83/x
3. Step 3: Cross multiply
   12,377.54x = 18,544.71 × 10,310.83
4. Step 4: Simplify right side
   12,377.54x = 191,211,344.51
5. Step 5: Solve for x
   x = 191,211,344.51/12,377.54
6. Step 6: Final answer
   x = 15,448.25