Finding the Fourth Proportional to 7,015.43, 10,523.34 and 3,316.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,015.43 : 10,523.34 = 3,316.56 : x
2. Step 2: Convert to fraction form
   7,015.43/10,523.34 = 3,316.56/x
3. Step 3: Cross multiply
   7,015.43x = 10,523.34 × 3,316.56
4. Step 4: Simplify right side
   7,015.43x = 34,901,288.51
5. Step 5: Solve for x
   x = 34,901,288.51/7,015.43
6. Step 6: Final answer
   x = 4,974.94