Finding the Fourth Proportional to 12,943.24, 19,410.74 and 4,176.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,943.24 : 19,410.74 = 4,176.12 : x
2. Step 2: Convert to fraction form
   12,943.24/19,410.74 = 4,176.12/x
3. Step 3: Cross multiply
   12,943.24x = 19,410.74 × 4,176.12
4. Step 4: Simplify right side
   12,943.24x = 81,061,579.53
5. Step 5: Solve for x
   x = 81,061,579.53/12,943.24
6. Step 6: Final answer
   x = 6,262.85