Finding the Fourth Proportional to 6,345.99, 8,760.50 and 4,225.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,345.99 : 8,760.50 = 4,225.05 : x
2. Step 2: Convert to fraction form
   6,345.99/8,760.50 = 4,225.05/x
3. Step 3: Cross multiply
   6,345.99x = 8,760.50 × 4,225.05
4. Step 4: Simplify right side
   6,345.99x = 37,013,550.53
5. Step 5: Solve for x
   x = 37,013,550.53/6,345.99
6. Step 6: Final answer
   x = 5,832.59