Finding the Fourth Proportional to 2,042.10, 3,061.43 and 886.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.10 : 3,061.43 = 886.98 : x
2. Step 2: Convert to fraction form
   2,042.10/3,061.43 = 886.98/x
3. Step 3: Cross multiply
   2,042.10x = 3,061.43 × 886.98
4. Step 4: Simplify right side
   2,042.10x = 2,715,427.18
5. Step 5: Solve for x
   x = 2,715,427.18/2,042.10
6. Step 6: Final answer
   x = 1,329.72