Finding the Fourth Proportional to 6,047.56, 8,345.72 and 3,394.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,047.56 : 8,345.72 = 3,394.80 : x
2. Step 2: Convert to fraction form
   6,047.56/8,345.72 = 3,394.80/x
3. Step 3: Cross multiply
   6,047.56x = 8,345.72 × 3,394.80
4. Step 4: Simplify right side
   6,047.56x = 28,332,050.26
5. Step 5: Solve for x
   x = 28,332,050.26/6,047.56
6. Step 6: Final answer
   x = 4,684.87