Finding the Fourth Proportional to 11,304.60, 15,582.37 and 8,910.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,304.60 : 15,582.37 = 8,910.69 : x
2. Step 2: Convert to fraction form
   11,304.60/15,582.37 = 8,910.69/x
3. Step 3: Cross multiply
   11,304.60x = 15,582.37 × 8,910.69
4. Step 4: Simplify right side
   11,304.60x = 138,849,587.82
5. Step 5: Solve for x
   x = 138,849,587.82/11,304.60
6. Step 6: Final answer
   x = 12,282.58