Finding the Fourth Proportional to 2,147,452.89, 3,221,011.83 and 1,248,321.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,452.89 : 3,221,011.83 = 1,248,321.15 : x
2. Step 2: Convert to fraction form
   2,147,452.89/3,221,011.83 = 1,248,321.15/x
3. Step 3: Cross multiply
   2,147,452.89x = 3,221,011.83 × 1,248,321.15
4. Step 4: Simplify right side
   2,147,452.89x = 4,020,857,191,789.20
5. Step 5: Solve for x
   x = 4,020,857,191,789.20/2,147,452.89
6. Step 6: Final answer
   x = 1,872,384.35