Finding the Fourth Proportional to 10,845, 14,997.60 and 10,648.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,845 : 14,997.60 = 10,648.08 : x
2. Step 2: Convert to fraction form
   10,845/14,997.60 = 10,648.08/x
3. Step 3: Cross multiply
   10,845x = 14,997.60 × 10,648.08
4. Step 4: Simplify right side
   10,845x = 159,695,644.61
5. Step 5: Solve for x
   x = 159,695,644.61/10,845
6. Step 6: Final answer
   x = 14,725.28