Finding the Fourth Proportional to 10,334.91, 14,262.20 and 5,619.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,334.91 : 14,262.20 = 5,619.20 : x
2. Step 2: Convert to fraction form
   10,334.91/14,262.20 = 5,619.20/x
3. Step 3: Cross multiply
   10,334.91x = 14,262.20 × 5,619.20
4. Step 4: Simplify right side
   10,334.91x = 80,142,054.83
5. Step 5: Solve for x
   x = 80,142,054.83/10,334.91
6. Step 6: Final answer
   x = 7,754.50