Finding the Fourth Proportional to 8,300.30, 12,454.10 and 4,403.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.30 : 12,454.10 = 4,403.75 : x
2. Step 2: Convert to fraction form
   8,300.30/12,454.10 = 4,403.75/x
3. Step 3: Cross multiply
   8,300.30x = 12,454.10 × 4,403.75
4. Step 4: Simplify right side
   8,300.30x = 54,844,720.86
5. Step 5: Solve for x
   x = 54,844,720.86/8,300.30
6. Step 6: Final answer
   x = 6,607.56