Finding the Fourth Proportional to 1,404, 2,105.73 and 526.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404 : 2,105.73 = 526.43 : x
2. Step 2: Convert to fraction form
   1,404/2,105.73 = 526.43/x
3. Step 3: Cross multiply
   1,404x = 2,105.73 × 526.43
4. Step 4: Simplify right side
   1,404x = 1,108,524.71
5. Step 5: Solve for x
   x = 1,108,524.71/1,404
6. Step 6: Final answer
   x = 789.55