Finding the Fourth Proportional to 10,380.30, 15,469.77 and 10,048.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,380.30 : 15,469.77 = 10,048.22 : x
2. Step 2: Convert to fraction form
   10,380.30/15,469.77 = 10,048.22/x
3. Step 3: Cross multiply
   10,380.30x = 15,469.77 × 10,048.22
4. Step 4: Simplify right side
   10,380.30x = 155,443,652.31
5. Step 5: Solve for x
   x = 155,443,652.31/10,380.30
6. Step 6: Final answer
   x = 14,974.87