Finding the Fourth Proportional to 2,259,683.22, 3,117,604.17 and 1,279,488.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259,683.22 : 3,117,604.17 = 1,279,488.30 : x
2. Step 2: Convert to fraction form
   2,259,683.22/3,117,604.17 = 1,279,488.30/x
3. Step 3: Cross multiply
   2,259,683.22x = 3,117,604.17 × 1,279,488.30
4. Step 4: Simplify right side
   2,259,683.22x = 3,988,938,043,958.19
5. Step 5: Solve for x
   x = 3,988,938,043,958.19/2,259,683.22
6. Step 6: Final answer
   x = 1,765,264.27