Finding the Fourth Proportional to 2,484.71, 3,428.78 and 1,422.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,484.71 : 3,428.78 = 1,422.42 : x
2. Step 2: Convert to fraction form
   2,484.71/3,428.78 = 1,422.42/x
3. Step 3: Cross multiply
   2,484.71x = 3,428.78 × 1,422.42
4. Step 4: Simplify right side
   2,484.71x = 4,877,158.14
5. Step 5: Solve for x
   x = 4,877,158.14/2,484.71
6. Step 6: Final answer
   x = 1,962.87