Finding the Fourth Proportional to 8,648.99, 12,973.42 and 4,948.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,648.99 : 12,973.42 = 4,948.59 : x
2. Step 2: Convert to fraction form
   8,648.99/12,973.42 = 4,948.59/x
3. Step 3: Cross multiply
   8,648.99x = 12,973.42 × 4,948.59
4. Step 4: Simplify right side
   8,648.99x = 64,200,163.48
5. Step 5: Solve for x
   x = 64,200,163.48/8,648.99
6. Step 6: Final answer
   x = 7,422.85