Finding the Fourth Proportional to 9,996.53, 15,003.98 and 5,069.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,996.53 : 15,003.98 = 5,069.71 : x
2. Step 2: Convert to fraction form
   9,996.53/15,003.98 = 5,069.71/x
3. Step 3: Cross multiply
   9,996.53x = 15,003.98 × 5,069.71
4. Step 4: Simplify right side
   9,996.53x = 76,065,802.61
5. Step 5: Solve for x
   x = 76,065,802.61/9,996.53
6. Step 6: Final answer
   x = 7,609.22