Finding the Fourth Proportional to 2,619.81, 3,926.75 and 1,301.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.81 : 3,926.75 = 1,301.92 : x
2. Step 2: Convert to fraction form
   2,619.81/3,926.75 = 1,301.92/x
3. Step 3: Cross multiply
   2,619.81x = 3,926.75 × 1,301.92
4. Step 4: Simplify right side
   2,619.81x = 5,112,298.03
5. Step 5: Solve for x
   x = 5,112,298.03/2,619.81
6. Step 6: Final answer
   x = 1,951.40