Finding the Fourth Proportional to 978,761.24, 1,467,667.18 and 574,085.67

Step by Step Solution

1. Step 1: Write the proportion equation
   978,761.24 : 1,467,667.18 = 574,085.67 : x
2. Step 2: Convert to fraction form
   978,761.24/1,467,667.18 = 574,085.67/x
3. Step 3: Cross multiply
   978,761.24x = 1,467,667.18 × 574,085.67
4. Step 4: Simplify right side
   978,761.24x = 842,566,696,367.31
5. Step 5: Solve for x
   x = 842,566,696,367.31/978,761.24
6. Step 6: Final answer
   x = 860,850.08