Finding the Fourth Proportional to 2,227,123.78, 3,073,439.55 and 1,208,528.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227,123.78 : 3,073,439.55 = 1,208,528.62 : x
2. Step 2: Convert to fraction form
   2,227,123.78/3,073,439.55 = 1,208,528.62/x
3. Step 3: Cross multiply
   2,227,123.78x = 3,073,439.55 × 1,208,528.62
4. Step 4: Simplify right side
   2,227,123.78x = 3,714,339,658,014.92
5. Step 5: Solve for x
   x = 3,714,339,658,014.92/2,227,123.78
6. Step 6: Final answer
   x = 1,667,774.23