Finding the Fourth Proportional to 2,158.88, 3,238.32 and 1,004

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.88 : 3,238.32 = 1,004 : x
2. Step 2: Convert to fraction form
   2,158.88/3,238.32 = 1,004/x
3. Step 3: Cross multiply
   2,158.88x = 3,238.32 × 1,004
4. Step 4: Simplify right side
   2,158.88x = 3,251,273.28
5. Step 5: Solve for x
   x = 3,251,273.28/2,158.88
6. Step 6: Final answer
   x = 1,506