Finding the Fourth Proportional to 2,290,619.71, 3,161,093.16 and 1,258,222.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290,619.71 : 3,161,093.16 = 1,258,222.96 : x
2. Step 2: Convert to fraction form
   2,290,619.71/3,161,093.16 = 1,258,222.96/x
3. Step 3: Cross multiply
   2,290,619.71x = 3,161,093.16 × 1,258,222.96
4. Step 4: Simplify right side
   2,290,619.71x = 3,977,359,992,610.95
5. Step 5: Solve for x
   x = 3,977,359,992,610.95/2,290,619.71
6. Step 6: Final answer
   x = 1,736,368.54