Finding the Fourth Proportional to 12,432.81, 18,652.17 and 3,667.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,432.81 : 18,652.17 = 3,667.73 : x
2. Step 2: Convert to fraction form
   12,432.81/18,652.17 = 3,667.73/x
3. Step 3: Cross multiply
   12,432.81x = 18,652.17 × 3,667.73
4. Step 4: Simplify right side
   12,432.81x = 68,411,148.89
5. Step 5: Solve for x
   x = 68,411,148.89/12,432.81
6. Step 6: Final answer
   x = 5,502.47