Finding the Fourth Proportional to 2,339.90, 3,507.03 and 1,023.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.90 : 3,507.03 = 1,023.09 : x
2. Step 2: Convert to fraction form
   2,339.90/3,507.03 = 1,023.09/x
3. Step 3: Cross multiply
   2,339.90x = 3,507.03 × 1,023.09
4. Step 4: Simplify right side
   2,339.90x = 3,588,007.32
5. Step 5: Solve for x
   x = 3,588,007.32/2,339.90
6. Step 6: Final answer
   x = 1,533.41