Finding the Fourth Proportional to 1,114,859.60, 1,538,507.72 and 605,561.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114,859.60 : 1,538,507.72 = 605,561.97 : x
2. Step 2: Convert to fraction form
   1,114,859.60/1,538,507.72 = 605,561.97/x
3. Step 3: Cross multiply
   1,114,859.60x = 1,538,507.72 × 605,561.97
4. Step 4: Simplify right side
   1,114,859.60x = 931,661,773,066.72
5. Step 5: Solve for x
   x = 931,661,773,066.72/1,114,859.60
6. Step 6: Final answer
   x = 835,676.33