Finding the Fourth Proportional to 7,085.43, 10,611.93 and 3,390.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,085.43 : 10,611.93 = 3,390.27 : x
2. Step 2: Convert to fraction form
   7,085.43/10,611.93 = 3,390.27/x
3. Step 3: Cross multiply
   7,085.43x = 10,611.93 × 3,390.27
4. Step 4: Simplify right side
   7,085.43x = 35,977,307.92
5. Step 5: Solve for x
   x = 35,977,307.92/7,085.43
6. Step 6: Final answer
   x = 5,077.65