Finding the Fourth Proportional to 31,004.54, 42,787.13 and 19,061.09

Step by Step Solution

1. Step 1: Write the proportion equation
   31,004.54 : 42,787.13 = 19,061.09 : x
2. Step 2: Convert to fraction form
   31,004.54/42,787.13 = 19,061.09/x
3. Step 3: Cross multiply
   31,004.54x = 42,787.13 × 19,061.09
4. Step 4: Simplify right side
   31,004.54x = 815,569,026.53
5. Step 5: Solve for x
   x = 815,569,026.53/31,004.54
6. Step 6: Final answer
   x = 26,304.83