Finding the Fourth Proportional to 2,196.64, 3,295.56 and 715.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.64 : 3,295.56 = 715.84 : x
2. Step 2: Convert to fraction form
   2,196.64/3,295.56 = 715.84/x
3. Step 3: Cross multiply
   2,196.64x = 3,295.56 × 715.84
4. Step 4: Simplify right side
   2,196.64x = 2,359,093.67
5. Step 5: Solve for x
   x = 2,359,093.67/2,196.64
6. Step 6: Final answer
   x = 1,073.96