Finding the Fourth Proportional to 12,499.29, 17,237.83 and 10,371.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.29 : 17,237.83 = 10,371.44 : x
2. Step 2: Convert to fraction form
   12,499.29/17,237.83 = 10,371.44/x
3. Step 3: Cross multiply
   12,499.29x = 17,237.83 × 10,371.44
4. Step 4: Simplify right side
   12,499.29x = 178,781,119.58
5. Step 5: Solve for x
   x = 178,781,119.58/12,499.29
6. Step 6: Final answer
   x = 14,303.30