Finding the Fourth Proportional to 1,051.47, 1,451.06 and 579.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.47 : 1,451.06 = 579.41 : x
2. Step 2: Convert to fraction form
   1,051.47/1,451.06 = 579.41/x
3. Step 3: Cross multiply
   1,051.47x = 1,451.06 × 579.41
4. Step 4: Simplify right side
   1,051.47x = 840,758.67
5. Step 5: Solve for x
   x = 840,758.67/1,051.47
6. Step 6: Final answer
   x = 799.60