Finding the Fourth Proportional to 10,431.38, 15,637.15 and 3,852.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,431.38 : 15,637.15 = 3,852.56 : x
2. Step 2: Convert to fraction form
   10,431.38/15,637.15 = 3,852.56/x
3. Step 3: Cross multiply
   10,431.38x = 15,637.15 × 3,852.56
4. Step 4: Simplify right side
   10,431.38x = 60,243,102.51
5. Step 5: Solve for x
   x = 60,243,102.51/10,431.38
6. Step 6: Final answer
   x = 5,775.18