Finding the Fourth Proportional to 2,422.82, 3,343.96 and 1,428.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.82 : 3,343.96 = 1,428.06 : x
2. Step 2: Convert to fraction form
   2,422.82/3,343.96 = 1,428.06/x
3. Step 3: Cross multiply
   2,422.82x = 3,343.96 × 1,428.06
4. Step 4: Simplify right side
   2,422.82x = 4,775,375.52
5. Step 5: Solve for x
   x = 4,775,375.52/2,422.82
6. Step 6: Final answer
   x = 1,971.00