Finding the Fourth Proportional to 2,076.66, 3,113.82 and 1,900.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.66 : 3,113.82 = 1,900.13 : x
2. Step 2: Convert to fraction form
   2,076.66/3,113.82 = 1,900.13/x
3. Step 3: Cross multiply
   2,076.66x = 3,113.82 × 1,900.13
4. Step 4: Simplify right side
   2,076.66x = 5,916,647.23
5. Step 5: Solve for x
   x = 5,916,647.23/2,076.66
6. Step 6: Final answer
   x = 2,849.12