Finding the Fourth Proportional to 1,337.43, 1,995.61 and 1,191.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.43 : 1,995.61 = 1,191.27 : x
2. Step 2: Convert to fraction form
   1,337.43/1,995.61 = 1,191.27/x
3. Step 3: Cross multiply
   1,337.43x = 1,995.61 × 1,191.27
4. Step 4: Simplify right side
   1,337.43x = 2,377,307.35
5. Step 5: Solve for x
   x = 2,377,307.35/1,337.43
6. Step 6: Final answer
   x = 1,777.52