Finding the Fourth Proportional to 6,200.72, 8,556.86 and 3,368.01

Step by Step Solution

1. Step 1: Write the proportion equation
   6,200.72 : 8,556.86 = 3,368.01 : x
2. Step 2: Convert to fraction form
   6,200.72/8,556.86 = 3,368.01/x
3. Step 3: Cross multiply
   6,200.72x = 8,556.86 × 3,368.01
4. Step 4: Simplify right side
   6,200.72x = 28,819,598.47
5. Step 5: Solve for x
   x = 28,819,598.47/6,200.72
6. Step 6: Final answer
   x = 4,647.79