Finding the Fourth Proportional to 7,997.34, 11,971.41 and 5,218.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,997.34 : 11,971.41 = 5,218.03 : x
2. Step 2: Convert to fraction form
   7,997.34/11,971.41 = 5,218.03/x
3. Step 3: Cross multiply
   7,997.34x = 11,971.41 × 5,218.03
4. Step 4: Simplify right side
   7,997.34x = 62,467,164.15
5. Step 5: Solve for x
   x = 62,467,164.15/7,997.34
6. Step 6: Final answer
   x = 7,810.99