Finding the Fourth Proportional to 5,507.46, 8,247.83 and 2,586.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,507.46 : 8,247.83 = 2,586.60 : x
2. Step 2: Convert to fraction form
   5,507.46/8,247.83 = 2,586.60/x
3. Step 3: Cross multiply
   5,507.46x = 8,247.83 × 2,586.60
4. Step 4: Simplify right side
   5,507.46x = 21,333,824.15
5. Step 5: Solve for x
   x = 21,333,824.15/5,507.46
6. Step 6: Final answer
   x = 3,873.62