Finding the Fourth Proportional to 2,223.69, 3,071.16 and 1,725.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.69 : 3,071.16 = 1,725.56 : x
2. Step 2: Convert to fraction form
   2,223.69/3,071.16 = 1,725.56/x
3. Step 3: Cross multiply
   2,223.69x = 3,071.16 × 1,725.56
4. Step 4: Simplify right side
   2,223.69x = 5,299,485.00
5. Step 5: Solve for x
   x = 5,299,485.00/2,223.69
6. Step 6: Final answer
   x = 2,383.20