Finding the Fourth Proportional to 2,170.59, 2,995.56 and 1,876.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,170.59 : 2,995.56 = 1,876.56 : x
2. Step 2: Convert to fraction form
   2,170.59/2,995.56 = 1,876.56/x
3. Step 3: Cross multiply
   2,170.59x = 2,995.56 × 1,876.56
4. Step 4: Simplify right side
   2,170.59x = 5,621,348.07
5. Step 5: Solve for x
   x = 5,621,348.07/2,170.59
6. Step 6: Final answer
   x = 2,589.78