Finding the Fourth Proportional to 12,648.83, 18,962.53 and 5,248.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648.83 : 18,962.53 = 5,248.67 : x
2. Step 2: Convert to fraction form
   12,648.83/18,962.53 = 5,248.67/x
3. Step 3: Cross multiply
   12,648.83x = 18,962.53 × 5,248.67
4. Step 4: Simplify right side
   12,648.83x = 99,528,062.34
5. Step 5: Solve for x
   x = 99,528,062.34/12,648.83
6. Step 6: Final answer
   x = 7,868.56