Finding the Fourth Proportional to 766,404.18, 1,057,638.06 and 444,301.01

Step by Step Solution

1. Step 1: Write the proportion equation
   766,404.18 : 1,057,638.06 = 444,301.01 : x
2. Step 2: Convert to fraction form
   766,404.18/1,057,638.06 = 444,301.01/x
3. Step 3: Cross multiply
   766,404.18x = 1,057,638.06 × 444,301.01
4. Step 4: Simplify right side
   766,404.18x = 469,909,652,984.25
5. Step 5: Solve for x
   x = 469,909,652,984.25/766,404.18
6. Step 6: Final answer
   x = 613,135.56