Finding the Fourth Proportional to 31,148.94, 46,730.86 and 10,089

Step by Step Solution

1. Step 1: Write the proportion equation
   31,148.94 : 46,730.86 = 10,089 : x
2. Step 2: Convert to fraction form
   31,148.94/46,730.86 = 10,089/x
3. Step 3: Cross multiply
   31,148.94x = 46,730.86 × 10,089
4. Step 4: Simplify right side
   31,148.94x = 471,467,646.54
5. Step 5: Solve for x
   x = 471,467,646.54/31,148.94
6. Step 6: Final answer
   x = 15,135.91