Finding the Fourth Proportional to 31,141, 42,994.02 and 19,982.44

Step by Step Solution

1. Step 1: Write the proportion equation
   31,141 : 42,994.02 = 19,982.44 : x
2. Step 2: Convert to fraction form
   31,141/42,994.02 = 19,982.44/x
3. Step 3: Cross multiply
   31,141x = 42,994.02 × 19,982.44
4. Step 4: Simplify right side
   31,141x = 859,125,425.01
5. Step 5: Solve for x
   x = 859,125,425.01/31,141
6. Step 6: Final answer
   x = 27,588.24