Finding the Fourth Proportional to 6,648.48, 9,972.71 and 3,137.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,648.48 : 9,972.71 = 3,137.33 : x
2. Step 2: Convert to fraction form
   6,648.48/9,972.71 = 3,137.33/x
3. Step 3: Cross multiply
   6,648.48x = 9,972.71 × 3,137.33
4. Step 4: Simplify right side
   6,648.48x = 31,287,682.26
5. Step 5: Solve for x
   x = 31,287,682.26/6,648.48
6. Step 6: Final answer
   x = 4,705.99