Finding the Fourth Proportional to 2,192.87, 3,290.27 and 1,152.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.87 : 3,290.27 = 1,152.63 : x
2. Step 2: Convert to fraction form
   2,192.87/3,290.27 = 1,152.63/x
3. Step 3: Cross multiply
   2,192.87x = 3,290.27 × 1,152.63
4. Step 4: Simplify right side
   2,192.87x = 3,792,458.15
5. Step 5: Solve for x
   x = 3,792,458.15/2,192.87
6. Step 6: Final answer
   x = 1,729.45