Finding the Fourth Proportional to 1,891.52, 2,832.56 and 1,196.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891.52 : 2,832.56 = 1,196.09 : x
2. Step 2: Convert to fraction form
   1,891.52/2,832.56 = 1,196.09/x
3. Step 3: Cross multiply
   1,891.52x = 2,832.56 × 1,196.09
4. Step 4: Simplify right side
   1,891.52x = 3,387,996.69
5. Step 5: Solve for x
   x = 3,387,996.69/1,891.52
6. Step 6: Final answer
   x = 1,791.15