Finding the Fourth Proportional to 2,147,454.89, 3,221,014.83 and 1,248,323.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,454.89 : 3,221,014.83 = 1,248,323.15 : x
2. Step 2: Convert to fraction form
   2,147,454.89/3,221,014.83 = 1,248,323.15/x
3. Step 3: Cross multiply
   2,147,454.89x = 3,221,014.83 × 1,248,323.15
4. Step 4: Simplify right side
   2,147,454.89x = 4,020,867,378,782.31
5. Step 5: Solve for x
   x = 4,020,867,378,782.31/2,147,454.89
6. Step 6: Final answer
   x = 1,872,387.35