Finding the Fourth Proportional to 31,454.82, 47,185.20 and 10,395

Step by Step Solution

1. Step 1: Write the proportion equation
   31,454.82 : 47,185.20 = 10,395 : x
2. Step 2: Convert to fraction form
   31,454.82/47,185.20 = 10,395/x
3. Step 3: Cross multiply
   31,454.82x = 47,185.20 × 10,395
4. Step 4: Simplify right side
   31,454.82x = 490,490,154.00
5. Step 5: Solve for x
   x = 490,490,154.00/31,454.82
6. Step 6: Final answer
   x = 15,593.48