Finding the Fourth Proportional to 2,628,893.39, 3,943,910.52 and 807,264.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628,893.39 : 3,943,910.52 = 807,264.54 : x
2. Step 2: Convert to fraction form
   2,628,893.39/3,943,910.52 = 807,264.54/x
3. Step 3: Cross multiply
   2,628,893.39x = 3,943,910.52 × 807,264.54
4. Step 4: Simplify right side
   2,628,893.39x = 3,183,779,111,728.96
5. Step 5: Solve for x
   x = 3,183,779,111,728.96/2,628,893.39
6. Step 6: Final answer
   x = 1,211,071.98