Finding the Fourth Proportional to 2,196.21, 3,025.64 and 1,531.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.21 : 3,025.64 = 1,531.88 : x
2. Step 2: Convert to fraction form
   2,196.21/3,025.64 = 1,531.88/x
3. Step 3: Cross multiply
   2,196.21x = 3,025.64 × 1,531.88
4. Step 4: Simplify right side
   2,196.21x = 4,634,894.62
5. Step 5: Solve for x
   x = 4,634,894.62/2,196.21
6. Step 6: Final answer
   x = 2,110.41