Finding the Fourth Proportional to 7,175.27, 10,742.85 and 3,876.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,175.27 : 10,742.85 = 3,876.55 : x
2. Step 2: Convert to fraction form
   7,175.27/10,742.85 = 3,876.55/x
3. Step 3: Cross multiply
   7,175.27x = 10,742.85 × 3,876.55
4. Step 4: Simplify right side
   7,175.27x = 41,645,195.17
5. Step 5: Solve for x
   x = 41,645,195.17/7,175.27
6. Step 6: Final answer
   x = 5,803.99