Finding the Fourth Proportional to 2,483.74, 3,428.25 and 1,422.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.74 : 3,428.25 = 1,422.10 : x
2. Step 2: Convert to fraction form
   2,483.74/3,428.25 = 1,422.10/x
3. Step 3: Cross multiply
   2,483.74x = 3,428.25 × 1,422.10
4. Step 4: Simplify right side
   2,483.74x = 4,875,305.75
5. Step 5: Solve for x
   x = 4,875,305.75/2,483.74
6. Step 6: Final answer
   x = 1,962.89