Finding the Fourth Proportional to 5,585.50, 8,375.78 and 2,624.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,585.50 : 8,375.78 = 2,624.78 : x
2. Step 2: Convert to fraction form
   5,585.50/8,375.78 = 2,624.78/x
3. Step 3: Cross multiply
   5,585.50x = 8,375.78 × 2,624.78
4. Step 4: Simplify right side
   5,585.50x = 21,984,560.22
5. Step 5: Solve for x
   x = 21,984,560.22/5,585.50
6. Step 6: Final answer
   x = 3,936.01