Finding the Fourth Proportional to 1,725.10, 2,380.69 and 969.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,725.10 : 2,380.69 = 969.01 : x
2. Step 2: Convert to fraction form
   1,725.10/2,380.69 = 969.01/x
3. Step 3: Cross multiply
   1,725.10x = 2,380.69 × 969.01
4. Step 4: Simplify right side
   1,725.10x = 2,306,912.14
5. Step 5: Solve for x
   x = 2,306,912.14/1,725.10
6. Step 6: Final answer
   x = 1,337.27