Finding the Fourth Proportional to 2,978.82, 4,110.88 and 1,799.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.82 : 4,110.88 = 1,799.66 : x
2. Step 2: Convert to fraction form
   2,978.82/4,110.88 = 1,799.66/x
3. Step 3: Cross multiply
   2,978.82x = 4,110.88 × 1,799.66
4. Step 4: Simplify right side
   2,978.82x = 7,398,186.30
5. Step 5: Solve for x
   x = 7,398,186.30/2,978.82
6. Step 6: Final answer
   x = 2,483.60