Finding the Fourth Proportional to 298,290.82, 411,641.40 and 164,154.82

Step by Step Solution

1. Step 1: Write the proportion equation
   298,290.82 : 411,641.40 = 164,154.82 : x
2. Step 2: Convert to fraction form
   298,290.82/411,641.40 = 164,154.82/x
3. Step 3: Cross multiply
   298,290.82x = 411,641.40 × 164,154.82
4. Step 4: Simplify right side
   298,290.82x = 67,572,919,921.55
5. Step 5: Solve for x
   x = 67,572,919,921.55/298,290.82
6. Step 6: Final answer
   x = 226,533.69