Finding the Fourth Proportional to 10,418.09, 15,633.20 and 3,848.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,418.09 : 15,633.20 = 3,848.78 : x
2. Step 2: Convert to fraction form
   10,418.09/15,633.20 = 3,848.78/x
3. Step 3: Cross multiply
   10,418.09x = 15,633.20 × 3,848.78
4. Step 4: Simplify right side
   10,418.09x = 60,168,796.20
5. Step 5: Solve for x
   x = 60,168,796.20/10,418.09
6. Step 6: Final answer
   x = 5,775.42