Finding the Fourth Proportional to 1,046.81, 1,444.61 and 581.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.81 : 1,444.61 = 581.06 : x
2. Step 2: Convert to fraction form
   1,046.81/1,444.61 = 581.06/x
3. Step 3: Cross multiply
   1,046.81x = 1,444.61 × 581.06
4. Step 4: Simplify right side
   1,046.81x = 839,410.15
5. Step 5: Solve for x
   x = 839,410.15/1,046.81
6. Step 6: Final answer
   x = 801.87