Finding the Fourth Proportional to 31,132.25, 42,962.52 and 19,954.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,132.25 : 42,962.52 = 19,954.25 : x
2. Step 2: Convert to fraction form
   31,132.25/42,962.52 = 19,954.25/x
3. Step 3: Cross multiply
   31,132.25x = 42,962.52 × 19,954.25
4. Step 4: Simplify right side
   31,132.25x = 857,284,764.94
5. Step 5: Solve for x
   x = 857,284,764.94/31,132.25
6. Step 6: Final answer
   x = 27,536.87