Finding the Fourth Proportional to 17,667.30, 24,402.51 and 13,210.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,667.30 : 24,402.51 = 13,210.88 : x
2. Step 2: Convert to fraction form
   17,667.30/24,402.51 = 13,210.88/x
3. Step 3: Cross multiply
   17,667.30x = 24,402.51 × 13,210.88
4. Step 4: Simplify right side
   17,667.30x = 322,378,509.30
5. Step 5: Solve for x
   x = 322,378,509.30/17,667.30
6. Step 6: Final answer
   x = 18,247.19