Finding the Fourth Proportional to 10,646.42, 15,958.83 and 4,410.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,646.42 : 15,958.83 = 4,410.86 : x
2. Step 2: Convert to fraction form
   10,646.42/15,958.83 = 4,410.86/x
3. Step 3: Cross multiply
   10,646.42x = 15,958.83 × 4,410.86
4. Step 4: Simplify right side
   10,646.42x = 70,392,164.89
5. Step 5: Solve for x
   x = 70,392,164.89/10,646.42
6. Step 6: Final answer
   x = 6,611.82