Finding the Fourth Proportional to 2,459.39, 3,670.17 and 2,196.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.39 : 3,670.17 = 2,196.63 : x
2. Step 2: Convert to fraction form
   2,459.39/3,670.17 = 2,196.63/x
3. Step 3: Cross multiply
   2,459.39x = 3,670.17 × 2,196.63
4. Step 4: Simplify right side
   2,459.39x = 8,062,005.53
5. Step 5: Solve for x
   x = 8,062,005.53/2,459.39
6. Step 6: Final answer
   x = 3,278.06