Finding the Fourth Proportional to 298,638.01, 412,114.71 and 162,670.38

Step by Step Solution

1. Step 1: Write the proportion equation
   298,638.01 : 412,114.71 = 162,670.38 : x
2. Step 2: Convert to fraction form
   298,638.01/412,114.71 = 162,670.38/x
3. Step 3: Cross multiply
   298,638.01x = 412,114.71 × 162,670.38
4. Step 4: Simplify right side
   298,638.01x = 67,038,856,479.29
5. Step 5: Solve for x
   x = 67,038,856,479.29/298,638.01
6. Step 6: Final answer
   x = 224,482.00