Finding the Fourth Proportional to 2,422.30, 3,634.27 and 1,189.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.30 : 3,634.27 = 1,189.74 : x
2. Step 2: Convert to fraction form
   2,422.30/3,634.27 = 1,189.74/x
3. Step 3: Cross multiply
   2,422.30x = 3,634.27 × 1,189.74
4. Step 4: Simplify right side
   2,422.30x = 4,323,836.39
5. Step 5: Solve for x
   x = 4,323,836.39/2,422.30
6. Step 6: Final answer
   x = 1,785.01