Finding the Fourth Proportional to 298,636.12, 412,117.88 and 164,500.12

Step by Step Solution

1. Step 1: Write the proportion equation
   298,636.12 : 412,117.88 = 164,500.12 : x
2. Step 2: Convert to fraction form
   298,636.12/412,117.88 = 164,500.12/x
3. Step 3: Cross multiply
   298,636.12x = 412,117.88 × 164,500.12
4. Step 4: Simplify right side
   298,636.12x = 67,793,440,714.15
5. Step 5: Solve for x
   x = 67,793,440,714.15/298,636.12
6. Step 6: Final answer
   x = 227,010.18