Finding the Fourth Proportional to 8,074.61, 12,105.43 and 4,562.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,074.61 : 12,105.43 = 4,562.45 : x
2. Step 2: Convert to fraction form
   8,074.61/12,105.43 = 4,562.45/x
3. Step 3: Cross multiply
   8,074.61x = 12,105.43 × 4,562.45
4. Step 4: Simplify right side
   8,074.61x = 55,230,335.76
5. Step 5: Solve for x
   x = 55,230,335.76/8,074.61
6. Step 6: Final answer
   x = 6,840.00