Finding the Fourth Proportional to 2,364.40, 3,262.72 and 1,578.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,364.40 : 3,262.72 = 1,578.32 : x
2. Step 2: Convert to fraction form
   2,364.40/3,262.72 = 1,578.32/x
3. Step 3: Cross multiply
   2,364.40x = 3,262.72 × 1,578.32
4. Step 4: Simplify right side
   2,364.40x = 5,149,616.23
5. Step 5: Solve for x
   x = 5,149,616.23/2,364.40
6. Step 6: Final answer
   x = 2,177.98