Finding the Fourth Proportional to 12,077.43, 18,113.83 and 3,757.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,077.43 : 18,113.83 = 3,757.55 : x
2. Step 2: Convert to fraction form
   12,077.43/18,113.83 = 3,757.55/x
3. Step 3: Cross multiply
   12,077.43x = 18,113.83 × 3,757.55
4. Step 4: Simplify right side
   12,077.43x = 68,063,558.47
5. Step 5: Solve for x
   x = 68,063,558.47/12,077.43
6. Step 6: Final answer
   x = 5,635.60