Finding the Fourth Proportional to 2,978.08, 4,110.16 and 1,719.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.08 : 4,110.16 = 1,719.14 : x
2. Step 2: Convert to fraction form
   2,978.08/4,110.16 = 1,719.14/x
3. Step 3: Cross multiply
   2,978.08x = 4,110.16 × 1,719.14
4. Step 4: Simplify right side
   2,978.08x = 7,065,940.46
5. Step 5: Solve for x
   x = 7,065,940.46/2,978.08
6. Step 6: Final answer
   x = 2,372.65