Finding the Fourth Proportional to 298,548.86, 411,978.76 and 164,412.86

Step by Step Solution

1. Step 1: Write the proportion equation
   298,548.86 : 411,978.76 = 164,412.86 : x
2. Step 2: Convert to fraction form
   298,548.86/411,978.76 = 164,412.86/x
3. Step 3: Cross multiply
   298,548.86x = 411,978.76 × 164,412.86
4. Step 4: Simplify right side
   298,548.86x = 67,734,603,719.93
5. Step 5: Solve for x
   x = 67,734,603,719.93/298,548.86
6. Step 6: Final answer
   x = 226,879.46