Finding the Fourth Proportional to 2,338.56, 3,507.04 and 1,105.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,338.56 : 3,507.04 = 1,105.28 : x
2. Step 2: Convert to fraction form
   2,338.56/3,507.04 = 1,105.28/x
3. Step 3: Cross multiply
   2,338.56x = 3,507.04 × 1,105.28
4. Step 4: Simplify right side
   2,338.56x = 3,876,261.17
5. Step 5: Solve for x
   x = 3,876,261.17/2,338.56
6. Step 6: Final answer
   x = 1,657.54