Finding the Fourth Proportional to 2,027.30, 3,042.86 and 1,916.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,027.30 : 3,042.86 = 1,916.33 : x
2. Step 2: Convert to fraction form
   2,027.30/3,042.86 = 1,916.33/x
3. Step 3: Cross multiply
   2,027.30x = 3,042.86 × 1,916.33
4. Step 4: Simplify right side
   2,027.30x = 5,831,099.11
5. Step 5: Solve for x
   x = 5,831,099.11/2,027.30
6. Step 6: Final answer
   x = 2,876.30