Finding the Fourth Proportional to 2,501.40, 3,451.80 and 1,382.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.40 : 3,451.80 = 1,382.16 : x
2. Step 2: Convert to fraction form
   2,501.40/3,451.80 = 1,382.16/x
3. Step 3: Cross multiply
   2,501.40x = 3,451.80 × 1,382.16
4. Step 4: Simplify right side
   2,501.40x = 4,770,939.89
5. Step 5: Solve for x
   x = 4,770,939.89/2,501.40
6. Step 6: Final answer
   x = 1,907.31