Finding the Fourth Proportional to 12,427.82, 18,635.29 and 3,661.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,427.82 : 18,635.29 = 3,661.58 : x
2. Step 2: Convert to fraction form
   12,427.82/18,635.29 = 3,661.58/x
3. Step 3: Cross multiply
   12,427.82x = 18,635.29 × 3,661.58
4. Step 4: Simplify right side
   12,427.82x = 68,234,502.83
5. Step 5: Solve for x
   x = 68,234,502.83/12,427.82
6. Step 6: Final answer
   x = 5,490.47