Finding the Fourth Proportional to 7,186.77, 10,775.25 and 3,902.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,186.77 : 10,775.25 = 3,902.18 : x
2. Step 2: Convert to fraction form
   7,186.77/10,775.25 = 3,902.18/x
3. Step 3: Cross multiply
   7,186.77x = 10,775.25 × 3,902.18
4. Step 4: Simplify right side
   7,186.77x = 42,046,911.17
5. Step 5: Solve for x
   x = 42,046,911.17/7,186.77
6. Step 6: Final answer
   x = 5,850.60