Finding the Fourth Proportional to 10,335.48, 14,262.39 and 5,619.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,335.48 : 14,262.39 = 5,619.72 : x
2. Step 2: Convert to fraction form
   10,335.48/14,262.39 = 5,619.72/x
3. Step 3: Cross multiply
   10,335.48x = 14,262.39 × 5,619.72
4. Step 4: Simplify right side
   10,335.48x = 80,150,638.33
5. Step 5: Solve for x
   x = 80,150,638.33/10,335.48
6. Step 6: Final answer
   x = 7,754.90