Finding the Fourth Proportional to 2,290,635.22, 3,161,114.56 and 1,258,238.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290,635.22 : 3,161,114.56 = 1,258,238.46 : x
2. Step 2: Convert to fraction form
   2,290,635.22/3,161,114.56 = 1,258,238.46/x
3. Step 3: Cross multiply
   2,290,635.22x = 3,161,114.56 × 1,258,238.46
4. Step 4: Simplify right side
   2,290,635.22x = 3,977,435,915,857.98
5. Step 5: Solve for x
   x = 3,977,435,915,857.98/2,290,635.22
6. Step 6: Final answer
   x = 1,736,389.92