Finding the Fourth Proportional to 2,620,662.37, 3,931,017.86 and 823,506.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,662.37 : 3,931,017.86 = 823,506.06 : x
2. Step 2: Convert to fraction form
   2,620,662.37/3,931,017.86 = 823,506.06/x
3. Step 3: Cross multiply
   2,620,662.37x = 3,931,017.86 × 823,506.06
4. Step 4: Simplify right side
   2,620,662.37x = 3,237,217,029,678.23
5. Step 5: Solve for x
   x = 3,237,217,029,678.23/2,620,662.37
6. Step 6: Final answer
   x = 1,235,266.73