Finding the Fourth Proportional to 2,987.10, 4,118.76 and 2,546.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,987.10 : 4,118.76 = 2,546.46 : x
2. Step 2: Convert to fraction form
   2,987.10/4,118.76 = 2,546.46/x
3. Step 3: Cross multiply
   2,987.10x = 4,118.76 × 2,546.46
4. Step 4: Simplify right side
   2,987.10x = 10,488,257.59
5. Step 5: Solve for x
   x = 10,488,257.59/2,987.10
6. Step 6: Final answer
   x = 3,511.18