Finding the Fourth Proportional to 2,337.90, 3,503.21 and 1,105.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.90 : 3,503.21 = 1,105.08 : x
2. Step 2: Convert to fraction form
   2,337.90/3,503.21 = 1,105.08/x
3. Step 3: Cross multiply
   2,337.90x = 3,503.21 × 1,105.08
4. Step 4: Simplify right side
   2,337.90x = 3,871,321.78
5. Step 5: Solve for x
   x = 3,871,321.78/2,337.90
6. Step 6: Final answer
   x = 1,655.90