Finding the Fourth Proportional to 10,380.21, 14,324.69 and 5,904.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,380.21 : 14,324.69 = 5,904.83 : x
2. Step 2: Convert to fraction form
   10,380.21/14,324.69 = 5,904.83/x
3. Step 3: Cross multiply
   10,380.21x = 14,324.69 × 5,904.83
4. Step 4: Simplify right side
   10,380.21x = 84,584,758.11
5. Step 5: Solve for x
   x = 84,584,758.11/10,380.21
6. Step 6: Final answer
   x = 8,148.66