Finding the Fourth Proportional to 1,115,017.89, 1,538,724.69 and 605,720.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,115,017.89 : 1,538,724.69 = 605,720.27 : x
2. Step 2: Convert to fraction form
   1,115,017.89/1,538,724.69 = 605,720.27/x
3. Step 3: Cross multiply
   1,115,017.89x = 1,538,724.69 × 605,720.27
4. Step 4: Simplify right side
   1,115,017.89x = 932,036,734,682.47
5. Step 5: Solve for x
   x = 932,036,734,682.47/1,115,017.89
6. Step 6: Final answer
   x = 835,893.97