Finding the Fourth Proportional to 6,345.86, 8,757.72 and 3,513.35

Step by Step Solution

1. Step 1: Write the proportion equation
   6,345.86 : 8,757.72 = 3,513.35 : x
2. Step 2: Convert to fraction form
   6,345.86/8,757.72 = 3,513.35/x
3. Step 3: Cross multiply
   6,345.86x = 8,757.72 × 3,513.35
4. Step 4: Simplify right side
   6,345.86x = 30,768,935.56
5. Step 5: Solve for x
   x = 30,768,935.56/6,345.86
6. Step 6: Final answer
   x = 4,848.66