Finding the Fourth Proportional to 10,854.31, 16,281.48 and 10,300.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,854.31 : 16,281.48 = 10,300.27 : x
2. Step 2: Convert to fraction form
   10,854.31/16,281.48 = 10,300.27/x
3. Step 3: Cross multiply
   10,854.31x = 16,281.48 × 10,300.27
4. Step 4: Simplify right side
   10,854.31x = 167,703,640.00
5. Step 5: Solve for x
   x = 167,703,640.00/10,854.31
6. Step 6: Final answer
   x = 15,450.42