Finding the Fourth Proportional to 2,420.63, 3,629.73 and 1,123.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,420.63 : 3,629.73 = 1,123.01 : x
2. Step 2: Convert to fraction form
   2,420.63/3,629.73 = 1,123.01/x
3. Step 3: Cross multiply
   2,420.63x = 3,629.73 × 1,123.01
4. Step 4: Simplify right side
   2,420.63x = 4,076,223.09
5. Step 5: Solve for x
   x = 4,076,223.09/2,420.63
6. Step 6: Final answer
   x = 1,683.95