Finding the Fourth Proportional to 1,223.80, 1,825.73 and 1,006.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223.80 : 1,825.73 = 1,006.72 : x
2. Step 2: Convert to fraction form
   1,223.80/1,825.73 = 1,006.72/x
3. Step 3: Cross multiply
   1,223.80x = 1,825.73 × 1,006.72
4. Step 4: Simplify right side
   1,223.80x = 1,837,998.91
5. Step 5: Solve for x
   x = 1,837,998.91/1,223.80
6. Step 6: Final answer
   x = 1,501.88