Finding the Fourth Proportional to 185,796.38, 256,397.59 and 100,914.05

Step by Step Solution

1. Step 1: Write the proportion equation
   185,796.38 : 256,397.59 = 100,914.05 : x
2. Step 2: Convert to fraction form
   185,796.38/256,397.59 = 100,914.05/x
3. Step 3: Cross multiply
   185,796.38x = 256,397.59 × 100,914.05
4. Step 4: Simplify right side
   185,796.38x = 25,874,119,217.14
5. Step 5: Solve for x
   x = 25,874,119,217.14/185,796.38
6. Step 6: Final answer
   x = 139,260.62