Finding the Fourth Proportional to 1,235.42, 1,837.24 and 1,196.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,235.42 : 1,837.24 = 1,196.48 : x
2. Step 2: Convert to fraction form
   1,235.42/1,837.24 = 1,196.48/x
3. Step 3: Cross multiply
   1,235.42x = 1,837.24 × 1,196.48
4. Step 4: Simplify right side
   1,235.42x = 2,198,222.52
5. Step 5: Solve for x
   x = 2,198,222.52/1,235.42
6. Step 6: Final answer
   x = 1,779.33