Finding the Fourth Proportional to 2,531.45, 3,493.83 and 1,523.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.45 : 3,493.83 = 1,523.31 : x
2. Step 2: Convert to fraction form
   2,531.45/3,493.83 = 1,523.31/x
3. Step 3: Cross multiply
   2,531.45x = 3,493.83 × 1,523.31
4. Step 4: Simplify right side
   2,531.45x = 5,322,178.79
5. Step 5: Solve for x
   x = 5,322,178.79/2,531.45
6. Step 6: Final answer
   x = 2,102.42