Finding the Fourth Proportional to 9,993.02, 14,991.35 and 5,315.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,993.02 : 14,991.35 = 5,315.27 : x
2. Step 2: Convert to fraction form
   9,993.02/14,991.35 = 5,315.27/x
3. Step 3: Cross multiply
   9,993.02x = 14,991.35 × 5,315.27
4. Step 4: Simplify right side
   9,993.02x = 79,682,971.38
5. Step 5: Solve for x
   x = 79,682,971.38/9,993.02
6. Step 6: Final answer
   x = 7,973.87