Finding the Fourth Proportional to 127,345.08, 190,951.98 and 57,164.28

Step by Step Solution

1. Step 1: Write the proportion equation
   127,345.08 : 190,951.98 = 57,164.28 : x
2. Step 2: Convert to fraction form
   127,345.08/190,951.98 = 57,164.28/x
3. Step 3: Cross multiply
   127,345.08x = 190,951.98 × 57,164.28
4. Step 4: Simplify right side
   127,345.08x = 10,915,632,451.27
5. Step 5: Solve for x
   x = 10,915,632,451.27/127,345.08
6. Step 6: Final answer
   x = 85,716.95