Finding the Fourth Proportional to 9,165.48, 12,648.50 and 4,973.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,165.48 : 12,648.50 = 4,973.73 : x
2. Step 2: Convert to fraction form
   9,165.48/12,648.50 = 4,973.73/x
3. Step 3: Cross multiply
   9,165.48x = 12,648.50 × 4,973.73
4. Step 4: Simplify right side
   9,165.48x = 62,910,223.91
5. Step 5: Solve for x
   x = 62,910,223.91/9,165.48
6. Step 6: Final answer
   x = 6,863.82