Finding the Fourth Proportional to 31,281.94, 46,911.57 and 9,089.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,281.94 : 46,911.57 = 9,089.38 : x
2. Step 2: Convert to fraction form
   31,281.94/46,911.57 = 9,089.38/x
3. Step 3: Cross multiply
   31,281.94x = 46,911.57 × 9,089.38
4. Step 4: Simplify right side
   31,281.94x = 426,397,086.13
5. Step 5: Solve for x
   x = 426,397,086.13/31,281.94
6. Step 6: Final answer
   x = 13,630.78