Finding the Fourth Proportional to 2,607.93, 3,907.00 and 1,290.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.93 : 3,907.00 = 1,290.14 : x
2. Step 2: Convert to fraction form
   2,607.93/3,907.00 = 1,290.14/x
3. Step 3: Cross multiply
   2,607.93x = 3,907.00 × 1,290.14
4. Step 4: Simplify right side
   2,607.93x = 5,040,595.69
5. Step 5: Solve for x
   x = 5,040,595.69/2,607.93
6. Step 6: Final answer
   x = 1,932.80