Finding the Fourth Proportional to 2,483.42, 3,426.90 and 1,421.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.42 : 3,426.90 = 1,421.19 : x
2. Step 2: Convert to fraction form
   2,483.42/3,426.90 = 1,421.19/x
3. Step 3: Cross multiply
   2,483.42x = 3,426.90 × 1,421.19
4. Step 4: Simplify right side
   2,483.42x = 4,870,276.01
5. Step 5: Solve for x
   x = 4,870,276.01/2,483.42
6. Step 6: Final answer
   x = 1,961.12