Finding the Fourth Proportional to 31,132, 42,962.17 and 19,954

Step by Step Solution

1. Step 1: Write the proportion equation
   31,132 : 42,962.17 = 19,954 : x
2. Step 2: Convert to fraction form
   31,132/42,962.17 = 19,954/x
3. Step 3: Cross multiply
   31,132x = 42,962.17 × 19,954
4. Step 4: Simplify right side
   31,132x = 857,267,140.18
5. Step 5: Solve for x
   x = 857,267,140.18/31,132
6. Step 6: Final answer
   x = 27,536.53