Finding the Fourth Proportional to 6,150.78, 8,484.90 and 4,162.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,150.78 : 8,484.90 = 4,162.05 : x
2. Step 2: Convert to fraction form
   6,150.78/8,484.90 = 4,162.05/x
3. Step 3: Cross multiply
   6,150.78x = 8,484.90 × 4,162.05
4. Step 4: Simplify right side
   6,150.78x = 35,314,578.05
5. Step 5: Solve for x
   x = 35,314,578.05/6,150.78
6. Step 6: Final answer
   x = 5,741.48