Finding the Fourth Proportional to 1,682,459.31, 2,321,706 and 918,365.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682,459.31 : 2,321,706 = 918,365.25 : x
2. Step 2: Convert to fraction form
   1,682,459.31/2,321,706 = 918,365.25/x
3. Step 3: Cross multiply
   1,682,459.31x = 2,321,706 × 918,365.25
4. Step 4: Simplify right side
   1,682,459.31x = 2,132,174,111,116.50
5. Step 5: Solve for x
   x = 2,132,174,111,116.50/1,682,459.31
6. Step 6: Final answer
   x = 1,267,296.09