Finding the Fourth Proportional to 3,914.33, 5,873.40 and 1,722.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.33 : 5,873.40 = 1,722.78 : x
2. Step 2: Convert to fraction form
   3,914.33/5,873.40 = 1,722.78/x
3. Step 3: Cross multiply
   3,914.33x = 5,873.40 × 1,722.78
4. Step 4: Simplify right side
   3,914.33x = 10,118,547.57
5. Step 5: Solve for x
   x = 10,118,547.57/3,914.33
6. Step 6: Final answer
   x = 2,585.00