Finding the Fourth Proportional to 2,459.89, 3,670.81 and 2,197.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.89 : 3,670.81 = 2,197.06 : x
2. Step 2: Convert to fraction form
   2,459.89/3,670.81 = 2,197.06/x
3. Step 3: Cross multiply
   2,459.89x = 3,670.81 × 2,197.06
4. Step 4: Simplify right side
   2,459.89x = 8,064,989.82
5. Step 5: Solve for x
   x = 8,064,989.82/2,459.89
6. Step 6: Final answer
   x = 3,278.60