Finding the Fourth Proportional to 1,645.62, 2,464.92 and 1,599.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,645.62 : 2,464.92 = 1,599.72 : x
2. Step 2: Convert to fraction form
   1,645.62/2,464.92 = 1,599.72/x
3. Step 3: Cross multiply
   1,645.62x = 2,464.92 × 1,599.72
4. Step 4: Simplify right side
   1,645.62x = 3,943,181.82
5. Step 5: Solve for x
   x = 3,943,181.82/1,645.62
6. Step 6: Final answer
   x = 2,396.17