Finding the Fourth Proportional to 1,636,947.97, 2,259,057.89 and 911,796.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,947.97 : 2,259,057.89 = 911,796.01 : x
2. Step 2: Convert to fraction form
   1,636,947.97/2,259,057.89 = 911,796.01/x
3. Step 3: Cross multiply
   1,636,947.97x = 2,259,057.89 × 911,796.01
4. Step 4: Simplify right side
   1,636,947.97x = 2,059,799,970,576.00
5. Step 5: Solve for x
   x = 2,059,799,970,576.00/1,636,947.97
6. Step 6: Final answer
   x = 1,258,317.31