Finding the Fourth Proportional to 2,345.69, 3,236.63 and 1,589.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.69 : 3,236.63 = 1,589.76 : x
2. Step 2: Convert to fraction form
   2,345.69/3,236.63 = 1,589.76/x
3. Step 3: Cross multiply
   2,345.69x = 3,236.63 × 1,589.76
4. Step 4: Simplify right side
   2,345.69x = 5,145,456.96
5. Step 5: Solve for x
   x = 5,145,456.96/2,345.69
6. Step 6: Final answer
   x = 2,193.58