Finding the Fourth Proportional to 2,420.94, 3,633.22 and 1,123.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,420.94 : 3,633.22 = 1,123.32 : x
2. Step 2: Convert to fraction form
   2,420.94/3,633.22 = 1,123.32/x
3. Step 3: Cross multiply
   2,420.94x = 3,633.22 × 1,123.32
4. Step 4: Simplify right side
   2,420.94x = 4,081,268.69
5. Step 5: Solve for x
   x = 4,081,268.69/2,420.94
6. Step 6: Final answer
   x = 1,685.82