Finding the Fourth Proportional to 1,404.59, 2,105.41 and 526.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.59 : 2,105.41 = 526.52 : x
2. Step 2: Convert to fraction form
   1,404.59/2,105.41 = 526.52/x
3. Step 3: Cross multiply
   1,404.59x = 2,105.41 × 526.52
4. Step 4: Simplify right side
   1,404.59x = 1,108,546.39
5. Step 5: Solve for x
   x = 1,108,546.39/1,404.59
6. Step 6: Final answer
   x = 789.23