Finding the Fourth Proportional to 2,042.14, 3,062.07 and 999.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.14 : 3,062.07 = 999.90 : x
2. Step 2: Convert to fraction form
   2,042.14/3,062.07 = 999.90/x
3. Step 3: Cross multiply
   2,042.14x = 3,062.07 × 999.90
4. Step 4: Simplify right side
   2,042.14x = 3,061,748.48
5. Step 5: Solve for x
   x = 3,061,748.48/2,042.14
6. Step 6: Final answer
   x = 1,499.28