Finding the Fourth Proportional to 978,234.15, 1,467,351.23 and 978,234.15

Step by Step Solution

1. Step 1: Write the proportion equation
   978,234.15 : 1,467,351.23 = 978,234.15 : x
2. Step 2: Convert to fraction form
   978,234.15/1,467,351.23 = 978,234.15/x
3. Step 3: Cross multiply
   978,234.15x = 1,467,351.23 × 978,234.15
4. Step 4: Simplify right side
   978,234.15x = 1,435,413,078,339.33
5. Step 5: Solve for x
   x = 1,435,413,078,339.33/978,234.15
6. Step 6: Final answer
   x = 1,467,351.23