Finding the Fourth Proportional to 16,380.48, 24,574.86 and 7,015.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,380.48 : 24,574.86 = 7,015.80 : x
2. Step 2: Convert to fraction form
   16,380.48/24,574.86 = 7,015.80/x
3. Step 3: Cross multiply
   16,380.48x = 24,574.86 × 7,015.80
4. Step 4: Simplify right side
   16,380.48x = 172,412,302.79
5. Step 5: Solve for x
   x = 172,412,302.79/16,380.48
6. Step 6: Final answer
   x = 10,525.47