Finding the Fourth Proportional to 1,418,464.56, 1,957,471.56 and 806,617.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418,464.56 : 1,957,471.56 = 806,617.56 : x
2. Step 2: Convert to fraction form
   1,418,464.56/1,957,471.56 = 806,617.56/x
3. Step 3: Cross multiply
   1,418,464.56x = 1,957,471.56 × 806,617.56
4. Step 4: Simplify right side
   1,418,464.56x = 1,578,930,933,496.59
5. Step 5: Solve for x
   x = 1,578,930,933,496.59/1,418,464.56
6. Step 6: Final answer
   x = 1,113,126.81