Finding the Fourth Proportional to 7,105.55, 10,659.87 and 2,175.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,105.55 : 10,659.87 = 2,175.57 : x
2. Step 2: Convert to fraction form
   7,105.55/10,659.87 = 2,175.57/x
3. Step 3: Cross multiply
   7,105.55x = 10,659.87 × 2,175.57
4. Step 4: Simplify right side
   7,105.55x = 23,191,293.38
5. Step 5: Solve for x
   x = 23,191,293.38/7,105.55
6. Step 6: Final answer
   x = 3,263.83