Finding the Fourth Proportional to 11,300.32, 15,590.82 and 6,825.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,300.32 : 15,590.82 = 6,825.40 : x
2. Step 2: Convert to fraction form
   11,300.32/15,590.82 = 6,825.40/x
3. Step 3: Cross multiply
   11,300.32x = 15,590.82 × 6,825.40
4. Step 4: Simplify right side
   11,300.32x = 106,413,582.83
5. Step 5: Solve for x
   x = 106,413,582.83/11,300.32
6. Step 6: Final answer
   x = 9,416.86