Finding the Fourth Proportional to 2,807.10, 3,874.78 and 1,925.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,807.10 : 3,874.78 = 1,925.82 : x
2. Step 2: Convert to fraction form
   2,807.10/3,874.78 = 1,925.82/x
3. Step 3: Cross multiply
   2,807.10x = 3,874.78 × 1,925.82
4. Step 4: Simplify right side
   2,807.10x = 7,462,128.82
5. Step 5: Solve for x
   x = 7,462,128.82/2,807.10
6. Step 6: Final answer
   x = 2,658.31