Finding the Fourth Proportional to 10,236.78, 15,356.79 and 3,662.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,236.78 : 15,356.79 = 3,662.82 : x
2. Step 2: Convert to fraction form
   10,236.78/15,356.79 = 3,662.82/x
3. Step 3: Cross multiply
   10,236.78x = 15,356.79 × 3,662.82
4. Step 4: Simplify right side
   10,236.78x = 56,249,157.55
5. Step 5: Solve for x
   x = 56,249,157.55/10,236.78
6. Step 6: Final answer
   x = 5,494.81