Finding the Fourth Proportional to 178,820.38, 268,353.59 and 73,639.34

Step by Step Solution

1. Step 1: Write the proportion equation
   178,820.38 : 268,353.59 = 73,639.34 : x
2. Step 2: Convert to fraction form
   178,820.38/268,353.59 = 73,639.34/x
3. Step 3: Cross multiply
   178,820.38x = 268,353.59 × 73,639.34
4. Step 4: Simplify right side
   178,820.38x = 19,761,380,886.03
5. Step 5: Solve for x
   x = 19,761,380,886.03/178,820.38
6. Step 6: Final answer
   x = 110,509.67