Finding the Fourth Proportional to 2,313.56, 3,192.72 and 1,382.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,313.56 : 3,192.72 = 1,382.06 : x
2. Step 2: Convert to fraction form
   2,313.56/3,192.72 = 1,382.06/x
3. Step 3: Cross multiply
   2,313.56x = 3,192.72 × 1,382.06
4. Step 4: Simplify right side
   2,313.56x = 4,412,533.40
5. Step 5: Solve for x
   x = 4,412,533.40/2,313.56
6. Step 6: Final answer
   x = 1,907.25