Finding the Fourth Proportional to 2,422.21, 3,341.91 and 1,427.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.21 : 3,341.91 = 1,427.12 : x
2. Step 2: Convert to fraction form
   2,422.21/3,341.91 = 1,427.12/x
3. Step 3: Cross multiply
   2,422.21x = 3,341.91 × 1,427.12
4. Step 4: Simplify right side
   2,422.21x = 4,769,314.95
5. Step 5: Solve for x
   x = 4,769,314.95/2,422.21
6. Step 6: Final answer
   x = 1,969.00