Finding the Fourth Proportional to 1,051.82, 1,451.46 and 579.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.82 : 1,451.46 = 579.72 : x
2. Step 2: Convert to fraction form
   1,051.82/1,451.46 = 579.72/x
3. Step 3: Cross multiply
   1,051.82x = 1,451.46 × 579.72
4. Step 4: Simplify right side
   1,051.82x = 841,440.39
5. Step 5: Solve for x
   x = 841,440.39/1,051.82
6. Step 6: Final answer
   x = 799.99