Finding the Fourth Proportional to 2,531.85, 3,494.35 and 2,111.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.85 : 3,494.35 = 2,111.46 : x
2. Step 2: Convert to fraction form
   2,531.85/3,494.35 = 2,111.46/x
3. Step 3: Cross multiply
   2,531.85x = 3,494.35 × 2,111.46
4. Step 4: Simplify right side
   2,531.85x = 7,378,180.25
5. Step 5: Solve for x
   x = 7,378,180.25/2,531.85
6. Step 6: Final answer
   x = 2,914.15