Finding the Fourth Proportional to 978,760.24, 1,467,665.69 and 574,084.67

Step by Step Solution

1. Step 1: Write the proportion equation
   978,760.24 : 1,467,665.69 = 574,084.67 : x
2. Step 2: Convert to fraction form
   978,760.24/1,467,665.69 = 574,084.67/x
3. Step 3: Cross multiply
   978,760.24x = 1,467,665.69 × 574,084.67
4. Step 4: Simplify right side
   978,760.24x = 842,564,363,105.22
5. Step 5: Solve for x
   x = 842,564,363,105.22/978,760.24
6. Step 6: Final answer
   x = 860,848.58