Finding the Fourth Proportional to 2,385.63, 3,289.50 and 1,598.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.63 : 3,289.50 = 1,598.31 : x
2. Step 2: Convert to fraction form
   2,385.63/3,289.50 = 1,598.31/x
3. Step 3: Cross multiply
   2,385.63x = 3,289.50 × 1,598.31
4. Step 4: Simplify right side
   2,385.63x = 5,257,640.75
5. Step 5: Solve for x
   x = 5,257,640.75/2,385.63
6. Step 6: Final answer
   x = 2,203.88