Finding the Fourth Proportional to 1,196.49, 1,782.98 and 1,157.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.49 : 1,782.98 = 1,157.34 : x
2. Step 2: Convert to fraction form
   1,196.49/1,782.98 = 1,157.34/x
3. Step 3: Cross multiply
   1,196.49x = 1,782.98 × 1,157.34
4. Step 4: Simplify right side
   1,196.49x = 2,063,514.07
5. Step 5: Solve for x
   x = 2,063,514.07/1,196.49
6. Step 6: Final answer
   x = 1,724.64