Finding the Fourth Proportional to 2,146,350.22, 2,961,317.39 and 1,286,596.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,350.22 : 2,961,317.39 = 1,286,596.78 : x
2. Step 2: Convert to fraction form
   2,146,350.22/2,961,317.39 = 1,286,596.78/x
3. Step 3: Cross multiply
   2,146,350.22x = 2,961,317.39 × 1,286,596.78
4. Step 4: Simplify right side
   2,146,350.22x = 3,810,021,404,695.73
5. Step 5: Solve for x
   x = 3,810,021,404,695.73/2,146,350.22
6. Step 6: Final answer
   x = 1,775,116.37