Finding the Fourth Proportional to 2,337.81, 3,507.60 and 1,105.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.81 : 3,507.60 = 1,105.43 : x
2. Step 2: Convert to fraction form
   2,337.81/3,507.60 = 1,105.43/x
3. Step 3: Cross multiply
   2,337.81x = 3,507.60 × 1,105.43
4. Step 4: Simplify right side
   2,337.81x = 3,877,406.27
5. Step 5: Solve for x
   x = 3,877,406.27/2,337.81
6. Step 6: Final answer
   x = 1,658.56