Finding the Fourth Proportional to 1,719.34, 2,373.25 and 1,223.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.34 : 2,373.25 = 1,223.42 : x
2. Step 2: Convert to fraction form
   1,719.34/2,373.25 = 1,223.42/x
3. Step 3: Cross multiply
   1,719.34x = 2,373.25 × 1,223.42
4. Step 4: Simplify right side
   1,719.34x = 2,903,481.52
5. Step 5: Solve for x
   x = 2,903,481.52/1,719.34
6. Step 6: Final answer
   x = 1,688.72