Finding the Fourth Proportional to 2,031.46, 3,048.06 and 992.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.46 : 3,048.06 = 992.38 : x
2. Step 2: Convert to fraction form
   2,031.46/3,048.06 = 992.38/x
3. Step 3: Cross multiply
   2,031.46x = 3,048.06 × 992.38
4. Step 4: Simplify right side
   2,031.46x = 3,024,833.78
5. Step 5: Solve for x
   x = 3,024,833.78/2,031.46
6. Step 6: Final answer
   x = 1,489.00