Finding the Fourth Proportional to 1,404.26, 2,105.67 and 526.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.26 : 2,105.67 = 526.73 : x
2. Step 2: Convert to fraction form
   1,404.26/2,105.67 = 526.73/x
3. Step 3: Cross multiply
   1,404.26x = 2,105.67 × 526.73
4. Step 4: Simplify right side
   1,404.26x = 1,109,119.56
5. Step 5: Solve for x
   x = 1,109,119.56/1,404.26
6. Step 6: Final answer
   x = 789.82