Finding the Fourth Proportional to 1,196.99, 1,783.73 and 1,157.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.99 : 1,783.73 = 1,157.84 : x
2. Step 2: Convert to fraction form
   1,196.99/1,783.73 = 1,157.84/x
3. Step 3: Cross multiply
   1,196.99x = 1,783.73 × 1,157.84
4. Step 4: Simplify right side
   1,196.99x = 2,065,273.94
5. Step 5: Solve for x
   x = 2,065,273.94/1,196.99
6. Step 6: Final answer
   x = 1,725.39