Finding the Fourth Proportional to 2,077.78, 3,108.12 and 1,895.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.78 : 3,108.12 = 1,895.30 : x
2. Step 2: Convert to fraction form
   2,077.78/3,108.12 = 1,895.30/x
3. Step 3: Cross multiply
   2,077.78x = 3,108.12 × 1,895.30
4. Step 4: Simplify right side
   2,077.78x = 5,890,819.50
5. Step 5: Solve for x
   x = 5,890,819.50/2,077.78
6. Step 6: Final answer
   x = 2,835.16