Finding the Fourth Proportional to 1,172,266.62, 1,617,796.16 and 656,016.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172,266.62 : 1,617,796.16 = 656,016.15 : x
2. Step 2: Convert to fraction form
   1,172,266.62/1,617,796.16 = 656,016.15/x
3. Step 3: Cross multiply
   1,172,266.62x = 1,617,796.16 × 656,016.15
4. Step 4: Simplify right side
   1,172,266.62x = 1,061,300,408,367.98
5. Step 5: Solve for x
   x = 1,061,300,408,367.98/1,172,266.62
6. Step 6: Final answer
   x = 905,340.47