Finding the Fourth Proportional to 13,667.13, 18,861.51 and 10,304.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,667.13 : 18,861.51 = 10,304.01 : x
2. Step 2: Convert to fraction form
   13,667.13/18,861.51 = 10,304.01/x
3. Step 3: Cross multiply
   13,667.13x = 18,861.51 × 10,304.01
4. Step 4: Simplify right side
   13,667.13x = 194,349,168.34
5. Step 5: Solve for x
   x = 194,349,168.34/13,667.13
6. Step 6: Final answer
   x = 14,220.19