Finding the Fourth Proportional to 1,673,656, 2,309,647.98 and 909,707.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673,656 : 2,309,647.98 = 909,707.74 : x
2. Step 2: Convert to fraction form
   1,673,656/2,309,647.98 = 909,707.74/x
3. Step 3: Cross multiply
   1,673,656x = 2,309,647.98 × 909,707.74
4. Step 4: Simplify right side
   1,673,656x = 2,101,104,644,081.37
5. Step 5: Solve for x
   x = 2,101,104,644,081.37/1,673,656
6. Step 6: Final answer
   x = 1,255,398.15