Finding the Fourth Proportional to 298,436.02, 411,841.65 and 164,300.02

Step by Step Solution

1. Step 1: Write the proportion equation
   298,436.02 : 411,841.65 = 164,300.02 : x
2. Step 2: Convert to fraction form
   298,436.02/411,841.65 = 164,300.02/x
3. Step 3: Cross multiply
   298,436.02x = 411,841.65 × 164,300.02
4. Step 4: Simplify right side
   298,436.02x = 67,665,591,331.83
5. Step 5: Solve for x
   x = 67,665,591,331.83/298,436.02
6. Step 6: Final answer
   x = 226,734.00