Finding the Fourth Proportional to 9,997.16, 14,997.82 and 5,002.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,997.16 : 14,997.82 = 5,002.12 : x
2. Step 2: Convert to fraction form
   9,997.16/14,997.82 = 5,002.12/x
3. Step 3: Cross multiply
   9,997.16x = 14,997.82 × 5,002.12
4. Step 4: Simplify right side
   9,997.16x = 75,020,895.38
5. Step 5: Solve for x
   x = 75,020,895.38/9,997.16
6. Step 6: Final answer
   x = 7,504.22