Finding the Fourth Proportional to 10,566.48, 15,853.32 and 3,994.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,566.48 : 15,853.32 = 3,994.56 : x
2. Step 2: Convert to fraction form
   10,566.48/15,853.32 = 3,994.56/x
3. Step 3: Cross multiply
   10,566.48x = 15,853.32 × 3,994.56
4. Step 4: Simplify right side
   10,566.48x = 63,327,037.94
5. Step 5: Solve for x
   x = 63,327,037.94/10,566.48
6. Step 6: Final answer
   x = 5,993.20