Finding the Fourth Proportional to 2,077.38, 3,100.14 and 1,900.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.38 : 3,100.14 = 1,900.80 : x
2. Step 2: Convert to fraction form
   2,077.38/3,100.14 = 1,900.80/x
3. Step 3: Cross multiply
   2,077.38x = 3,100.14 × 1,900.80
4. Step 4: Simplify right side
   2,077.38x = 5,892,746.11
5. Step 5: Solve for x
   x = 5,892,746.11/2,077.38
6. Step 6: Final answer
   x = 2,836.62