Finding the Fourth Proportional to 12,916.32, 19,377 and 4,150.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,916.32 : 19,377 = 4,150.56 : x
2. Step 2: Convert to fraction form
   12,916.32/19,377 = 4,150.56/x
3. Step 3: Cross multiply
   12,916.32x = 19,377 × 4,150.56
4. Step 4: Simplify right side
   12,916.32x = 80,425,401.12
5. Step 5: Solve for x
   x = 80,425,401.12/12,916.32
6. Step 6: Final answer
   x = 6,226.65