Finding the Fourth Proportional to 2,531.91, 3,493.96 and 1,412.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.91 : 3,493.96 = 1,412.78 : x
2. Step 2: Convert to fraction form
   2,531.91/3,493.96 = 1,412.78/x
3. Step 3: Cross multiply
   2,531.91x = 3,493.96 × 1,412.78
4. Step 4: Simplify right side
   2,531.91x = 4,936,196.81
5. Step 5: Solve for x
   x = 4,936,196.81/2,531.91
6. Step 6: Final answer
   x = 1,949.59