Finding the Fourth Proportional to 6,401.31, 8,833.46 and 3,606.63

Step by Step Solution

1. Step 1: Write the proportion equation
   6,401.31 : 8,833.46 = 3,606.63 : x
2. Step 2: Convert to fraction form
   6,401.31/8,833.46 = 3,606.63/x
3. Step 3: Cross multiply
   6,401.31x = 8,833.46 × 3,606.63
4. Step 4: Simplify right side
   6,401.31x = 31,859,021.84
5. Step 5: Solve for x
   x = 31,859,021.84/6,401.31
6. Step 6: Final answer
   x = 4,976.95