Finding the Fourth Proportional to 20,167.48, 30,248.79 and 5,377.59

Step by Step Solution

1. Step 1: Write the proportion equation
   20,167.48 : 30,248.79 = 5,377.59 : x
2. Step 2: Convert to fraction form
   20,167.48/30,248.79 = 5,377.59/x
3. Step 3: Cross multiply
   20,167.48x = 30,248.79 × 5,377.59
4. Step 4: Simplify right side
   20,167.48x = 162,665,600.70
5. Step 5: Solve for x
   x = 162,665,600.70/20,167.48
6. Step 6: Final answer
   x = 8,065.74