Finding the Fourth Proportional to 2,257,533.27, 3,386,817.06 and 978,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,533.27 : 3,386,817.06 = 978,355.50 : x
2. Step 2: Convert to fraction form
   2,257,533.27/3,386,817.06 = 978,355.50/x
3. Step 3: Cross multiply
   2,257,533.27x = 3,386,817.06 × 978,355.50
4. Step 4: Simplify right side
   2,257,533.27x = 3,313,511,098,144.83
5. Step 5: Solve for x
   x = 3,313,511,098,144.83/2,257,533.27
6. Step 6: Final answer
   x = 1,467,757.37