Finding the Fourth Proportional to 2,192.50, 3,022.56 and 1,445.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.50 : 3,022.56 = 1,445.32 : x
2. Step 2: Convert to fraction form
   2,192.50/3,022.56 = 1,445.32/x
3. Step 3: Cross multiply
   2,192.50x = 3,022.56 × 1,445.32
4. Step 4: Simplify right side
   2,192.50x = 4,368,566.42
5. Step 5: Solve for x
   x = 4,368,566.42/2,192.50
6. Step 6: Final answer
   x = 1,992.50