Finding the Fourth Proportional to 2,422.94, 3,343.50 and 1,428.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.94 : 3,343.50 = 1,428.03 : x
2. Step 2: Convert to fraction form
   2,422.94/3,343.50 = 1,428.03/x
3. Step 3: Cross multiply
   2,422.94x = 3,343.50 × 1,428.03
4. Step 4: Simplify right side
   2,422.94x = 4,774,618.31
5. Step 5: Solve for x
   x = 4,774,618.31/2,422.94
6. Step 6: Final answer
   x = 1,970.59