Finding the Fourth Proportional to 298,390.82, 411,779.32 and 164,254.82

Step by Step Solution

1. Step 1: Write the proportion equation
   298,390.82 : 411,779.32 = 164,254.82 : x
2. Step 2: Convert to fraction form
   298,390.82/411,779.32 = 164,254.82/x
3. Step 3: Cross multiply
   298,390.82x = 411,779.32 × 164,254.82
4. Step 4: Simplify right side
   298,390.82x = 67,636,738,086.32
5. Step 5: Solve for x
   x = 67,636,738,086.32/298,390.82
6. Step 6: Final answer
   x = 226,671.65