Finding the Fourth Proportional to 3,643.63, 5,028.23 and 2,152.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643.63 : 5,028.23 = 2,152.29 : x
2. Step 2: Convert to fraction form
   3,643.63/5,028.23 = 2,152.29/x
3. Step 3: Cross multiply
   3,643.63x = 5,028.23 × 2,152.29
4. Step 4: Simplify right side
   3,643.63x = 10,822,194.50
5. Step 5: Solve for x
   x = 10,822,194.50/3,643.63
6. Step 6: Final answer
   x = 2,970.17