Finding the Fourth Proportional to 16,378.48, 24,571.86 and 7,013.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,378.48 : 24,571.86 = 7,013.80 : x
2. Step 2: Convert to fraction form
   16,378.48/24,571.86 = 7,013.80/x
3. Step 3: Cross multiply
   16,378.48x = 24,571.86 × 7,013.80
4. Step 4: Simplify right side
   16,378.48x = 172,342,111.67
5. Step 5: Solve for x
   x = 172,342,111.67/16,378.48
6. Step 6: Final answer
   x = 10,522.47