Finding the Fourth Proportional to 2,251,461.30, 3,106,979.50 and 1,218,960.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251,461.30 : 3,106,979.50 = 1,218,960.83 : x
2. Step 2: Convert to fraction form
   2,251,461.30/3,106,979.50 = 1,218,960.83/x
3. Step 3: Cross multiply
   2,251,461.30x = 3,106,979.50 × 1,218,960.83
4. Step 4: Simplify right side
   2,251,461.30x = 3,787,286,294,028.98
5. Step 5: Solve for x
   x = 3,787,286,294,028.98/2,251,461.30
6. Step 6: Final answer
   x = 1,682,145.86