Finding the Fourth Proportional to 12,098.05, 18,140.68 and 3,776.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,098.05 : 18,140.68 = 3,776.52 : x
2. Step 2: Convert to fraction form
   12,098.05/18,140.68 = 3,776.52/x
3. Step 3: Cross multiply
   12,098.05x = 18,140.68 × 3,776.52
4. Step 4: Simplify right side
   12,098.05x = 68,508,640.83
5. Step 5: Solve for x
   x = 68,508,640.83/12,098.05
6. Step 6: Final answer
   x = 5,662.78