Finding the Fourth Proportional to 2,422.71, 3,632.99 and 1,189.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.71 : 3,632.99 = 1,189.89 : x
2. Step 2: Convert to fraction form
   2,422.71/3,632.99 = 1,189.89/x
3. Step 3: Cross multiply
   2,422.71x = 3,632.99 × 1,189.89
4. Step 4: Simplify right side
   2,422.71x = 4,322,852.52
5. Step 5: Solve for x
   x = 4,322,852.52/2,422.71
6. Step 6: Final answer
   x = 1,784.30