Finding the Fourth Proportional to 2,531.31, 3,493.46 and 1,536.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.31 : 3,493.46 = 1,536.51 : x
2. Step 2: Convert to fraction form
   2,531.31/3,493.46 = 1,536.51/x
3. Step 3: Cross multiply
   2,531.31x = 3,493.46 × 1,536.51
4. Step 4: Simplify right side
   2,531.31x = 5,367,736.22
5. Step 5: Solve for x
   x = 5,367,736.22/2,531.31
6. Step 6: Final answer
   x = 2,120.54