Finding the Fourth Proportional to 8,845.60, 12,204.72 and 5,698

Step by Step Solution

1. Step 1: Write the proportion equation
   8,845.60 : 12,204.72 = 5,698 : x
2. Step 2: Convert to fraction form
   8,845.60/12,204.72 = 5,698/x
3. Step 3: Cross multiply
   8,845.60x = 12,204.72 × 5,698
4. Step 4: Simplify right side
   8,845.60x = 69,542,494.56
5. Step 5: Solve for x
   x = 69,542,494.56/8,845.60
6. Step 6: Final answer
   x = 7,861.82