Finding the Fourth Proportional to 12,916.86, 17,824.82 and 7,327.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,916.86 : 17,824.82 = 7,327.86 : x
2. Step 2: Convert to fraction form
   12,916.86/17,824.82 = 7,327.86/x
3. Step 3: Cross multiply
   12,916.86x = 17,824.82 × 7,327.86
4. Step 4: Simplify right side
   12,916.86x = 130,617,785.49
5. Step 5: Solve for x
   x = 130,617,785.49/12,916.86
6. Step 6: Final answer
   x = 10,112.19