Finding the Fourth Proportional to 1,337.67, 2,003.78 and 1,091.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.67 : 2,003.78 = 1,091.75 : x
2. Step 2: Convert to fraction form
   1,337.67/2,003.78 = 1,091.75/x
3. Step 3: Cross multiply
   1,337.67x = 2,003.78 × 1,091.75
4. Step 4: Simplify right side
   1,337.67x = 2,187,626.82
5. Step 5: Solve for x
   x = 2,187,626.82/1,337.67
6. Step 6: Final answer
   x = 1,635.40