Finding the Fourth Proportional to 1,590.24, 2,192.37 and 1,192.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590.24 : 2,192.37 = 1,192.50 : x
2. Step 2: Convert to fraction form
   1,590.24/2,192.37 = 1,192.50/x
3. Step 3: Cross multiply
   1,590.24x = 2,192.37 × 1,192.50
4. Step 4: Simplify right side
   1,590.24x = 2,614,401.23
5. Step 5: Solve for x
   x = 2,614,401.23/1,590.24
6. Step 6: Final answer
   x = 1,644.03