Finding the Fourth Proportional to 10,361.30, 15,524.67 and 7,277.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,361.30 : 15,524.67 = 7,277.78 : x
2. Step 2: Convert to fraction form
   10,361.30/15,524.67 = 7,277.78/x
3. Step 3: Cross multiply
   10,361.30x = 15,524.67 × 7,277.78
4. Step 4: Simplify right side
   10,361.30x = 112,985,132.83
5. Step 5: Solve for x
   x = 112,985,132.83/10,361.30
6. Step 6: Final answer
   x = 10,904.53