Finding the Fourth Proportional to 298,654.17, 447,985.82 and 109,153.05

Step by Step Solution

1. Step 1: Write the proportion equation
   298,654.17 : 447,985.82 = 109,153.05 : x
2. Step 2: Convert to fraction form
   298,654.17/447,985.82 = 109,153.05/x
3. Step 3: Cross multiply
   298,654.17x = 447,985.82 × 109,153.05
4. Step 4: Simplify right side
   298,654.17x = 48,899,019,948.59
5. Step 5: Solve for x
   x = 48,899,019,948.59/298,654.17
6. Step 6: Final answer
   x = 163,731.25