Finding the Fourth Proportional to 2,457.63, 3,683.79 and 1,222.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.63 : 3,683.79 = 1,222.59 : x
2. Step 2: Convert to fraction form
   2,457.63/3,683.79 = 1,222.59/x
3. Step 3: Cross multiply
   2,457.63x = 3,683.79 × 1,222.59
4. Step 4: Simplify right side
   2,457.63x = 4,503,764.82
5. Step 5: Solve for x
   x = 4,503,764.82/2,457.63
6. Step 6: Final answer
   x = 1,832.56