Finding the Fourth Proportional to 1,393.17, 2,091.05 and 735.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393.17 : 2,091.05 = 735.54 : x
2. Step 2: Convert to fraction form
   1,393.17/2,091.05 = 735.54/x
3. Step 3: Cross multiply
   1,393.17x = 2,091.05 × 735.54
4. Step 4: Simplify right side
   1,393.17x = 1,538,050.92
5. Step 5: Solve for x
   x = 1,538,050.92/1,393.17
6. Step 6: Final answer
   x = 1,103.99