Finding the Fourth Proportional to 12,058.60, 18,086.85 and 3,738.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,058.60 : 18,086.85 = 3,738.43 : x
2. Step 2: Convert to fraction form
   12,058.60/18,086.85 = 3,738.43/x
3. Step 3: Cross multiply
   12,058.60x = 18,086.85 × 3,738.43
4. Step 4: Simplify right side
   12,058.60x = 67,616,332.21
5. Step 5: Solve for x
   x = 67,616,332.21/12,058.60
6. Step 6: Final answer
   x = 5,607.31