Finding the Fourth Proportional to 9,996.48, 14,999.04 and 5,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,996.48 : 14,999.04 = 5,382.72 : x
2. Step 2: Convert to fraction form
   9,996.48/14,999.04 = 5,382.72/x
3. Step 3: Cross multiply
   9,996.48x = 14,999.04 × 5,382.72
4. Step 4: Simplify right side
   9,996.48x = 80,735,632.59
5. Step 5: Solve for x
   x = 80,735,632.59/9,996.48
6. Step 6: Final answer
   x = 8,076.41