Finding the Fourth Proportional to 7,017.60, 10,523.16 and 2,085.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,017.60 : 10,523.16 = 2,085.96 : x
2. Step 2: Convert to fraction form
   7,017.60/10,523.16 = 2,085.96/x
3. Step 3: Cross multiply
   7,017.60x = 10,523.16 × 2,085.96
4. Step 4: Simplify right side
   7,017.60x = 21,950,890.83
5. Step 5: Solve for x
   x = 21,950,890.83/7,017.60
6. Step 6: Final answer
   x = 3,127.98