Finding the Fourth Proportional to 2,338.74, 3,507.57 and 1,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,338.74 : 3,507.57 = 1,039.50 : x
2. Step 2: Convert to fraction form
   2,338.74/3,507.57 = 1,039.50/x
3. Step 3: Cross multiply
   2,338.74x = 3,507.57 × 1,039.50
4. Step 4: Simplify right side
   2,338.74x = 3,646,119.02
5. Step 5: Solve for x
   x = 3,646,119.02/2,338.74
6. Step 6: Final answer
   x = 1,559.01