Finding the Fourth Proportional to 7,085.34, 9,777.78 and 3,941.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,085.34 : 9,777.78 = 3,941.46 : x
2. Step 2: Convert to fraction form
   7,085.34/9,777.78 = 3,941.46/x
3. Step 3: Cross multiply
   7,085.34x = 9,777.78 × 3,941.46
4. Step 4: Simplify right side
   7,085.34x = 38,538,728.76
5. Step 5: Solve for x
   x = 38,538,728.76/7,085.34
6. Step 6: Final answer
   x = 5,439.22