Finding the Fourth Proportional to 2,315.84, 3,196.14 and 1,531.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.84 : 3,196.14 = 1,531.52 : x
2. Step 2: Convert to fraction form
   2,315.84/3,196.14 = 1,531.52/x
3. Step 3: Cross multiply
   2,315.84x = 3,196.14 × 1,531.52
4. Step 4: Simplify right side
   2,315.84x = 4,894,952.33
5. Step 5: Solve for x
   x = 4,894,952.33/2,315.84
6. Step 6: Final answer
   x = 2,113.68