Finding the Fourth Proportional to 6,103.45, 8,417.46 and 3,978.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,103.45 : 8,417.46 = 3,978.16 : x
2. Step 2: Convert to fraction form
   6,103.45/8,417.46 = 3,978.16/x
3. Step 3: Cross multiply
   6,103.45x = 8,417.46 × 3,978.16
4. Step 4: Simplify right side
   6,103.45x = 33,486,002.67
5. Step 5: Solve for x
   x = 33,486,002.67/6,103.45
6. Step 6: Final answer
   x = 5,486.41