Finding the Fourth Proportional to 5,099.30, 7,647.48 and 2,634.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,099.30 : 7,647.48 = 2,634.86 : x
2. Step 2: Convert to fraction form
   5,099.30/7,647.48 = 2,634.86/x
3. Step 3: Cross multiply
   5,099.30x = 7,647.48 × 2,634.86
4. Step 4: Simplify right side
   5,099.30x = 20,150,039.15
5. Step 5: Solve for x
   x = 20,150,039.15/5,099.30
6. Step 6: Final answer
   x = 3,951.53