Finding the Fourth Proportional to 7,085.34, 9,778.13 and 4,101.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,085.34 : 9,778.13 = 4,101.30 : x
2. Step 2: Convert to fraction form
   7,085.34/9,778.13 = 4,101.30/x
3. Step 3: Cross multiply
   7,085.34x = 9,778.13 × 4,101.30
4. Step 4: Simplify right side
   7,085.34x = 40,103,044.57
5. Step 5: Solve for x
   x = 40,103,044.57/7,085.34
6. Step 6: Final answer
   x = 5,660.00