Finding the Fourth Proportional to 470,978.03, 649,929.87 and 267,042.71

Step by Step Solution

1. Step 1: Write the proportion equation
   470,978.03 : 649,929.87 = 267,042.71 : x
2. Step 2: Convert to fraction form
   470,978.03/649,929.87 = 267,042.71/x
3. Step 3: Cross multiply
   470,978.03x = 649,929.87 × 267,042.71
4. Step 4: Simplify right side
   470,978.03x = 173,559,030,545.10
5. Step 5: Solve for x
   x = 173,559,030,545.10/470,978.03
6. Step 6: Final answer
   x = 368,507.70