Finding the Fourth Proportional to 10,504.80, 14,499.60 and 7,361.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,504.80 : 14,499.60 = 7,361.76 : x
2. Step 2: Convert to fraction form
   10,504.80/14,499.60 = 7,361.76/x
3. Step 3: Cross multiply
   10,504.80x = 14,499.60 × 7,361.76
4. Step 4: Simplify right side
   10,504.80x = 106,742,575.30
5. Step 5: Solve for x
   x = 106,742,575.30/10,504.80
6. Step 6: Final answer
   x = 10,161.31