Finding the Fourth Proportional to 10,872.04, 16,314.56 and 3,947.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,872.04 : 16,314.56 = 3,947.08 : x
2. Step 2: Convert to fraction form
   10,872.04/16,314.56 = 3,947.08/x
3. Step 3: Cross multiply
   10,872.04x = 16,314.56 × 3,947.08
4. Step 4: Simplify right side
   10,872.04x = 64,394,873.48
5. Step 5: Solve for x
   x = 64,394,873.48/10,872.04
6. Step 6: Final answer
   x = 5,922.98