Finding the Fourth Proportional to 8,379.86, 11,563.89 and 4,654.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,379.86 : 11,563.89 = 4,654.10 : x
2. Step 2: Convert to fraction form
   8,379.86/11,563.89 = 4,654.10/x
3. Step 3: Cross multiply
   8,379.86x = 11,563.89 × 4,654.10
4. Step 4: Simplify right side
   8,379.86x = 53,819,500.45
5. Step 5: Solve for x
   x = 53,819,500.45/8,379.86
6. Step 6: Final answer
   x = 6,422.48