Finding the Fourth Proportional to 12,250.56, 18,377.43 and 3,485.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,250.56 : 18,377.43 = 3,485.72 : x
2. Step 2: Convert to fraction form
   12,250.56/18,377.43 = 3,485.72/x
3. Step 3: Cross multiply
   12,250.56x = 18,377.43 × 3,485.72
4. Step 4: Simplify right side
   12,250.56x = 64,058,575.30
5. Step 5: Solve for x
   x = 64,058,575.30/12,250.56
6. Step 6: Final answer
   x = 5,229.03