Finding the Fourth Proportional to 31,398.84, 47,105.10 and 10,341

Step by Step Solution

1. Step 1: Write the proportion equation
   31,398.84 : 47,105.10 = 10,341 : x
2. Step 2: Convert to fraction form
   31,398.84/47,105.10 = 10,341/x
3. Step 3: Cross multiply
   31,398.84x = 47,105.10 × 10,341
4. Step 4: Simplify right side
   31,398.84x = 487,113,839.10
5. Step 5: Solve for x
   x = 487,113,839.10/31,398.84
6. Step 6: Final answer
   x = 15,513.75