Finding the Fourth Proportional to 31,011.72, 42,797.07 and 19,082.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,011.72 : 42,797.07 = 19,082.04 : x
2. Step 2: Convert to fraction form
   31,011.72/42,797.07 = 19,082.04/x
3. Step 3: Cross multiply
   31,011.72x = 42,797.07 × 19,082.04
4. Step 4: Simplify right side
   31,011.72x = 816,655,401.62
5. Step 5: Solve for x
   x = 816,655,401.62/31,011.72
6. Step 6: Final answer
   x = 26,333.77