Finding the Fourth Proportional to 20,854.49, 31,284.78 and 6,061.48

Step by Step Solution

1. Step 1: Write the proportion equation
   20,854.49 : 31,284.78 = 6,061.48 : x
2. Step 2: Convert to fraction form
   20,854.49/31,284.78 = 6,061.48/x
3. Step 3: Cross multiply
   20,854.49x = 31,284.78 × 6,061.48
4. Step 4: Simplify right side
   20,854.49x = 189,632,068.27
5. Step 5: Solve for x
   x = 189,632,068.27/20,854.49
6. Step 6: Final answer
   x = 9,093.11