Finding the Fourth Proportional to 2,940.37, 4,058.89 and 1,878.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.37 : 4,058.89 = 1,878.14 : x
2. Step 2: Convert to fraction form
   2,940.37/4,058.89 = 1,878.14/x
3. Step 3: Cross multiply
   2,940.37x = 4,058.89 × 1,878.14
4. Step 4: Simplify right side
   2,940.37x = 7,623,169.12
5. Step 5: Solve for x
   x = 7,623,169.12/2,940.37
6. Step 6: Final answer
   x = 2,592.59