Finding the Fourth Proportional to 7,994.72, 10,974.02 and 7,090.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,994.72 : 10,974.02 = 7,090.76 : x
2. Step 2: Convert to fraction form
   7,994.72/10,974.02 = 7,090.76/x
3. Step 3: Cross multiply
   7,994.72x = 10,974.02 × 7,090.76
4. Step 4: Simplify right side
   7,994.72x = 77,814,142.06
5. Step 5: Solve for x
   x = 77,814,142.06/7,994.72
6. Step 6: Final answer
   x = 9,733.19