Finding the Fourth Proportional to 6,040.58, 8,340.72 and 3,917.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,040.58 : 8,340.72 = 3,917.12 : x
2. Step 2: Convert to fraction form
   6,040.58/8,340.72 = 3,917.12/x
3. Step 3: Cross multiply
   6,040.58x = 8,340.72 × 3,917.12
4. Step 4: Simplify right side
   6,040.58x = 32,671,601.13
5. Step 5: Solve for x
   x = 32,671,601.13/6,040.58
6. Step 6: Final answer
   x = 5,408.69