Finding the Fourth Proportional to 2,142.14, 2,958.10 and 1,876.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.14 : 2,958.10 = 1,876.10 : x
2. Step 2: Convert to fraction form
   2,142.14/2,958.10 = 1,876.10/x
3. Step 3: Cross multiply
   2,142.14x = 2,958.10 × 1,876.10
4. Step 4: Simplify right side
   2,142.14x = 5,549,671.93
5. Step 5: Solve for x
   x = 5,549,671.93/2,142.14
6. Step 6: Final answer
   x = 2,590.72