Finding the Fourth Proportional to 10,172.08, 15,248.89 and 3,936.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,172.08 : 15,248.89 = 3,936.26 : x
2. Step 2: Convert to fraction form
   10,172.08/15,248.89 = 3,936.26/x
3. Step 3: Cross multiply
   10,172.08x = 15,248.89 × 3,936.26
4. Step 4: Simplify right side
   10,172.08x = 60,023,638.79
5. Step 5: Solve for x
   x = 60,023,638.79/10,172.08
6. Step 6: Final answer
   x = 5,900.82