Finding the Fourth Proportional to 1,683.63, 2,322.72 and 1,020.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,683.63 : 2,322.72 = 1,020.24 : x
2. Step 2: Convert to fraction form
   1,683.63/2,322.72 = 1,020.24/x
3. Step 3: Cross multiply
   1,683.63x = 2,322.72 × 1,020.24
4. Step 4: Simplify right side
   1,683.63x = 2,369,731.85
5. Step 5: Solve for x
   x = 2,369,731.85/1,683.63
6. Step 6: Final answer
   x = 1,407.51