Finding the Fourth Proportional to 9,890.58, 14,831.53 and 2,963.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,890.58 : 14,831.53 = 2,963.46 : x
2. Step 2: Convert to fraction form
   9,890.58/14,831.53 = 2,963.46/x
3. Step 3: Cross multiply
   9,890.58x = 14,831.53 × 2,963.46
4. Step 4: Simplify right side
   9,890.58x = 43,952,645.89
5. Step 5: Solve for x
   x = 43,952,645.89/9,890.58
6. Step 6: Final answer
   x = 4,443.89