Finding the Fourth Proportional to 2,607.75, 3,594.33 and 1,978.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.75 : 3,594.33 = 1,978.07 : x
2. Step 2: Convert to fraction form
   2,607.75/3,594.33 = 1,978.07/x
3. Step 3: Cross multiply
   2,607.75x = 3,594.33 × 1,978.07
4. Step 4: Simplify right side
   2,607.75x = 7,109,818.37
5. Step 5: Solve for x
   x = 7,109,818.37/2,607.75
6. Step 6: Final answer
   x = 2,726.42