Finding the Fourth Proportional to 13,667.42, 20,508.42 and 5,875.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,667.42 : 20,508.42 = 5,875.76 : x
2. Step 2: Convert to fraction form
   13,667.42/20,508.42 = 5,875.76/x
3. Step 3: Cross multiply
   13,667.42x = 20,508.42 × 5,875.76
4. Step 4: Simplify right side
   13,667.42x = 120,502,553.90
5. Step 5: Solve for x
   x = 120,502,553.90/13,667.42
6. Step 6: Final answer
   x = 8,816.77