Finding the Fourth Proportional to 12,851.43, 19,278.72 and 4,952.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,851.43 : 19,278.72 = 4,952.10 : x
2. Step 2: Convert to fraction form
   12,851.43/19,278.72 = 4,952.10/x
3. Step 3: Cross multiply
   12,851.43x = 19,278.72 × 4,952.10
4. Step 4: Simplify right side
   12,851.43x = 95,470,149.31
5. Step 5: Solve for x
   x = 95,470,149.31/12,851.43
6. Step 6: Final answer
   x = 7,428.76