Finding the Fourth Proportional to 193,460.82, 289,928.78 and 109,179.31

Step by Step Solution

1. Step 1: Write the proportion equation
   193,460.82 : 289,928.78 = 109,179.31 : x
2. Step 2: Convert to fraction form
   193,460.82/289,928.78 = 109,179.31/x
3. Step 3: Cross multiply
   193,460.82x = 289,928.78 × 109,179.31
4. Step 4: Simplify right side
   193,460.82x = 31,654,224,446.00
5. Step 5: Solve for x
   x = 31,654,224,446.00/193,460.82
6. Step 6: Final answer
   x = 163,620.85