Finding the Fourth Proportional to 12,058.61, 18,090.51 and 3,738.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,058.61 : 18,090.51 = 3,738.45 : x
2. Step 2: Convert to fraction form
   12,058.61/18,090.51 = 3,738.45/x
3. Step 3: Cross multiply
   12,058.61x = 18,090.51 × 3,738.45
4. Step 4: Simplify right side
   12,058.61x = 67,630,520.93
5. Step 5: Solve for x
   x = 67,630,520.93/12,058.61
6. Step 6: Final answer
   x = 5,608.49