Finding the Fourth Proportional to 2,276,425.86, 3,141,466.65 and 1,257,821.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276,425.86 : 3,141,466.65 = 1,257,821.70 : x
2. Step 2: Convert to fraction form
   2,276,425.86/3,141,466.65 = 1,257,821.70/x
3. Step 3: Cross multiply
   2,276,425.86x = 3,141,466.65 × 1,257,821.70
4. Step 4: Simplify right side
   2,276,425.86x = 3,951,404,922,196.31
5. Step 5: Solve for x
   x = 3,951,404,922,196.31/2,276,425.86
6. Step 6: Final answer
   x = 1,735,793.37