Finding the Fourth Proportional to 8,686.05, 13,030.18 and 2,760.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,686.05 : 13,030.18 = 2,760.82 : x
2. Step 2: Convert to fraction form
   8,686.05/13,030.18 = 2,760.82/x
3. Step 3: Cross multiply
   8,686.05x = 13,030.18 × 2,760.82
4. Step 4: Simplify right side
   8,686.05x = 35,973,981.55
5. Step 5: Solve for x
   x = 35,973,981.55/8,686.05
6. Step 6: Final answer
   x = 4,141.58