Finding the Fourth Proportional to 10,827.40, 14,948.76 and 8,842.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,827.40 : 14,948.76 = 8,842.72 : x
2. Step 2: Convert to fraction form
   10,827.40/14,948.76 = 8,842.72/x
3. Step 3: Cross multiply
   10,827.40x = 14,948.76 × 8,842.72
4. Step 4: Simplify right side
   10,827.40x = 132,187,699.03
5. Step 5: Solve for x
   x = 132,187,699.03/10,827.40
6. Step 6: Final answer
   x = 12,208.63