Finding the Fourth Proportional to 6,055.20, 8,355.72 and 3,402.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,055.20 : 8,355.72 = 3,402.10 : x
2. Step 2: Convert to fraction form
   6,055.20/8,355.72 = 3,402.10/x
3. Step 3: Cross multiply
   6,055.20x = 8,355.72 × 3,402.10
4. Step 4: Simplify right side
   6,055.20x = 28,426,995.01
5. Step 5: Solve for x
   x = 28,426,995.01/6,055.20
6. Step 6: Final answer
   x = 4,694.64