Finding the Fourth Proportional to 2,025.45, 3,050.78 and 1,916.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.45 : 3,050.78 = 1,916.10 : x
2. Step 2: Convert to fraction form
   2,025.45/3,050.78 = 1,916.10/x
3. Step 3: Cross multiply
   2,025.45x = 3,050.78 × 1,916.10
4. Step 4: Simplify right side
   2,025.45x = 5,845,589.98
5. Step 5: Solve for x
   x = 5,845,589.98/2,025.45
6. Step 6: Final answer
   x = 2,886.07