Finding the Fourth Proportional to 1,404.03, 2,106.05 and 826.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.03 : 2,106.05 = 826.50 : x
2. Step 2: Convert to fraction form
   1,404.03/2,106.05 = 826.50/x
3. Step 3: Cross multiply
   1,404.03x = 2,106.05 × 826.50
4. Step 4: Simplify right side
   1,404.03x = 1,740,650.33
5. Step 5: Solve for x
   x = 1,740,650.33/1,404.03
6. Step 6: Final answer
   x = 1,239.75