Finding the Fourth Proportional to 2,978.16, 4,110.06 and 1,719.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.16 : 4,110.06 = 1,719.44 : x
2. Step 2: Convert to fraction form
   2,978.16/4,110.06 = 1,719.44/x
3. Step 3: Cross multiply
   2,978.16x = 4,110.06 × 1,719.44
4. Step 4: Simplify right side
   2,978.16x = 7,067,001.57
5. Step 5: Solve for x
   x = 7,067,001.57/2,978.16
6. Step 6: Final answer
   x = 2,372.94