Finding the Fourth Proportional to 13,667.63, 18,862.70 and 8,002.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,667.63 : 18,862.70 = 8,002.04 : x
2. Step 2: Convert to fraction form
   13,667.63/18,862.70 = 8,002.04/x
3. Step 3: Cross multiply
   13,667.63x = 18,862.70 × 8,002.04
4. Step 4: Simplify right side
   13,667.63x = 150,939,945.58
5. Step 5: Solve for x
   x = 150,939,945.58/13,667.63
6. Step 6: Final answer
   x = 11,043.61