Finding the Fourth Proportional to 13,948.69, 20,920.72 and 4,588.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,948.69 : 20,920.72 = 4,588.82 : x
2. Step 2: Convert to fraction form
   13,948.69/20,920.72 = 4,588.82/x
3. Step 3: Cross multiply
   13,948.69x = 20,920.72 × 4,588.82
4. Step 4: Simplify right side
   13,948.69x = 96,001,418.35
5. Step 5: Solve for x
   x = 96,001,418.35/13,948.69
6. Step 6: Final answer
   x = 6,882.47