Finding the Fourth Proportional to 10,752.24, 16,115.40 and 4,900.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,752.24 : 16,115.40 = 4,900.80 : x
2. Step 2: Convert to fraction form
   10,752.24/16,115.40 = 4,900.80/x
3. Step 3: Cross multiply
   10,752.24x = 16,115.40 × 4,900.80
4. Step 4: Simplify right side
   10,752.24x = 78,978,352.32
5. Step 5: Solve for x
   x = 78,978,352.32/10,752.24
6. Step 6: Final answer
   x = 7,345.29