Finding the Fourth Proportional to 10,687.21, 16,032.03 and 3,667.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,687.21 : 16,032.03 = 3,667.75 : x
2. Step 2: Convert to fraction form
   10,687.21/16,032.03 = 3,667.75/x
3. Step 3: Cross multiply
   10,687.21x = 16,032.03 × 3,667.75
4. Step 4: Simplify right side
   10,687.21x = 58,801,478.03
5. Step 5: Solve for x
   x = 58,801,478.03/10,687.21
6. Step 6: Final answer
   x = 5,502.04