Finding the Fourth Proportional to 1,337.07, 1,995.38 and 1,191.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.07 : 1,995.38 = 1,191.27 : x
2. Step 2: Convert to fraction form
   1,337.07/1,995.38 = 1,191.27/x
3. Step 3: Cross multiply
   1,337.07x = 1,995.38 × 1,191.27
4. Step 4: Simplify right side
   1,337.07x = 2,377,036.33
5. Step 5: Solve for x
   x = 2,377,036.33/1,337.07
6. Step 6: Final answer
   x = 1,777.79