Finding the Fourth Proportional to 13,667.13, 20,497.05 and 5,874.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,667.13 : 20,497.05 = 5,874.12 : x
2. Step 2: Convert to fraction form
   13,667.13/20,497.05 = 5,874.12/x
3. Step 3: Cross multiply
   13,667.13x = 20,497.05 × 5,874.12
4. Step 4: Simplify right side
   13,667.13x = 120,402,131.35
5. Step 5: Solve for x
   x = 120,402,131.35/13,667.13
6. Step 6: Final answer
   x = 8,809.61