Finding the Fourth Proportional to 31,270.05, 46,909.89 and 10,488.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,270.05 : 46,909.89 = 10,488.69 : x
2. Step 2: Convert to fraction form
   31,270.05/46,909.89 = 10,488.69/x
3. Step 3: Cross multiply
   31,270.05x = 46,909.89 × 10,488.69
4. Step 4: Simplify right side
   31,270.05x = 492,023,294.14
5. Step 5: Solve for x
   x = 492,023,294.14/31,270.05
6. Step 6: Final answer
   x = 15,734.65