Finding the Fourth Proportional to 7,015.68, 10,523.54 and 2,085.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,015.68 : 10,523.54 = 2,085.34 : x
2. Step 2: Convert to fraction form
   7,015.68/10,523.54 = 2,085.34/x
3. Step 3: Cross multiply
   7,015.68x = 10,523.54 × 2,085.34
4. Step 4: Simplify right side
   7,015.68x = 21,945,158.90
5. Step 5: Solve for x
   x = 21,945,158.90/7,015.68
6. Step 6: Final answer
   x = 3,128.02