Finding the Fourth Proportional to 1,598.27, 2,394.77 and 1,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,598.27 : 2,394.77 = 1,390.50 : x
2. Step 2: Convert to fraction form
   1,598.27/2,394.77 = 1,390.50/x
3. Step 3: Cross multiply
   1,598.27x = 2,394.77 × 1,390.50
4. Step 4: Simplify right side
   1,598.27x = 3,329,920.73
5. Step 5: Solve for x
   x = 3,329,920.73/1,598.27
6. Step 6: Final answer
   x = 2,083.46