Finding the Fourth Proportional to 2,207,061.46, 3,308,805.60 and 689,963.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,207,061.46 : 3,308,805.60 = 689,963.32 : x
2. Step 2: Convert to fraction form
   2,207,061.46/3,308,805.60 = 689,963.32/x
3. Step 3: Cross multiply
   2,207,061.46x = 3,308,805.60 × 689,963.32
4. Step 4: Simplify right side
   2,207,061.46x = 2,282,954,497,010.59
5. Step 5: Solve for x
   x = 2,282,954,497,010.59/2,207,061.46
6. Step 6: Final answer
   x = 1,034,386.46