Finding the Fourth Proportional to 147,976.44, 204,196.86 and 91,388.76

Step by Step Solution

1. Step 1: Write the proportion equation
   147,976.44 : 204,196.86 = 91,388.76 : x
2. Step 2: Convert to fraction form
   147,976.44/204,196.86 = 91,388.76/x
3. Step 3: Cross multiply
   147,976.44x = 204,196.86 × 91,388.76
4. Step 4: Simplify right side
   147,976.44x = 18,661,297,831.29
5. Step 5: Solve for x
   x = 18,661,297,831.29/147,976.44
6. Step 6: Final answer
   x = 126,109.93