Finding the Fourth Proportional to 10,619.34, 15,932.37 and 4,382.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,619.34 : 15,932.37 = 4,382.31 : x
2. Step 2: Convert to fraction form
   10,619.34/15,932.37 = 4,382.31/x
3. Step 3: Cross multiply
   10,619.34x = 15,932.37 × 4,382.31
4. Step 4: Simplify right side
   10,619.34x = 69,820,584.37
5. Step 5: Solve for x
   x = 69,820,584.37/10,619.34
6. Step 6: Final answer
   x = 6,574.85