Finding the Fourth Proportional to 6,422.73, 8,864.27 and 3,590.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,422.73 : 8,864.27 = 3,590.30 : x
2. Step 2: Convert to fraction form
   6,422.73/8,864.27 = 3,590.30/x
3. Step 3: Cross multiply
   6,422.73x = 8,864.27 × 3,590.30
4. Step 4: Simplify right side
   6,422.73x = 31,825,326.31
5. Step 5: Solve for x
   x = 31,825,326.31/6,422.73
6. Step 6: Final answer
   x = 4,955.11