Finding the Fourth Proportional to 3,432.69, 5,145.96 and 1,582.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,432.69 : 5,145.96 = 1,582.28 : x
2. Step 2: Convert to fraction form
   3,432.69/5,145.96 = 1,582.28/x
3. Step 3: Cross multiply
   3,432.69x = 5,145.96 × 1,582.28
4. Step 4: Simplify right side
   3,432.69x = 8,142,364.69
5. Step 5: Solve for x
   x = 8,142,364.69/3,432.69
6. Step 6: Final answer
   x = 2,372.01