Finding the Fourth Proportional to 31,004.55, 42,787.14 and 19,061.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,004.55 : 42,787.14 = 19,061.10 : x
2. Step 2: Convert to fraction form
   31,004.55/42,787.14 = 19,061.10/x
3. Step 3: Cross multiply
   31,004.55x = 42,787.14 × 19,061.10
4. Step 4: Simplify right side
   31,004.55x = 815,569,954.25
5. Step 5: Solve for x
   x = 815,569,954.25/31,004.55
6. Step 6: Final answer
   x = 26,304.85