Finding the Fourth Proportional to 298,643.67, 412,128.27 and 164,507.67

Step by Step Solution

1. Step 1: Write the proportion equation
   298,643.67 : 412,128.27 = 164,507.67 : x
2. Step 2: Convert to fraction form
   298,643.67/412,128.27 = 164,507.67/x
3. Step 3: Cross multiply
   298,643.67x = 412,128.27 × 164,507.67
4. Step 4: Simplify right side
   298,643.67x = 67,798,261,438.83
5. Step 5: Solve for x
   x = 67,798,261,438.83/298,643.67
6. Step 6: Final answer
   x = 227,020.59