Finding the Fourth Proportional to 2,231,403.30, 3,350,604.15 and 1,286,619.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231,403.30 : 3,350,604.15 = 1,286,619.30 : x
2. Step 2: Convert to fraction form
   2,231,403.30/3,350,604.15 = 1,286,619.30/x
3. Step 3: Cross multiply
   2,231,403.30x = 3,350,604.15 × 1,286,619.30
4. Step 4: Simplify right side
   2,231,403.30x = 4,310,951,966,050.10
5. Step 5: Solve for x
   x = 4,310,951,966,050.10/2,231,403.30
6. Step 6: Final answer
   x = 1,931,946.58