Finding the Fourth Proportional to 1,724.34, 2,585.56 and 799.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724.34 : 2,585.56 = 799.39 : x
2. Step 2: Convert to fraction form
   1,724.34/2,585.56 = 799.39/x
3. Step 3: Cross multiply
   1,724.34x = 2,585.56 × 799.39
4. Step 4: Simplify right side
   1,724.34x = 2,066,870.81
5. Step 5: Solve for x
   x = 2,066,870.81/1,724.34
6. Step 6: Final answer
   x = 1,198.64