Finding the Fourth Proportional to 31,443.82, 47,181.96 and 13,926.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,443.82 : 47,181.96 = 13,926.04 : x
2. Step 2: Convert to fraction form
   31,443.82/47,181.96 = 13,926.04/x
3. Step 3: Cross multiply
   31,443.82x = 47,181.96 × 13,926.04
4. Step 4: Simplify right side
   31,443.82x = 657,057,862.24
5. Step 5: Solve for x
   x = 657,057,862.24/31,443.82
6. Step 6: Final answer
   x = 20,896.25