Finding the Fourth Proportional to 2,678.18, 4,014.18 and 1,799.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678.18 : 4,014.18 = 1,799.61 : x
2. Step 2: Convert to fraction form
   2,678.18/4,014.18 = 1,799.61/x
3. Step 3: Cross multiply
   2,678.18x = 4,014.18 × 1,799.61
4. Step 4: Simplify right side
   2,678.18x = 7,223,958.47
5. Step 5: Solve for x
   x = 7,223,958.47/2,678.18
6. Step 6: Final answer
   x = 2,697.34