Finding the Fourth Proportional to 127,298.72, 190,923.48 and 120,976.48

Step by Step Solution

1. Step 1: Write the proportion equation
   127,298.72 : 190,923.48 = 120,976.48 : x
2. Step 2: Convert to fraction form
   127,298.72/190,923.48 = 120,976.48/x
3. Step 3: Cross multiply
   127,298.72x = 190,923.48 × 120,976.48
4. Step 4: Simplify right side
   127,298.72x = 23,097,250,559.75
5. Step 5: Solve for x
   x = 23,097,250,559.75/127,298.72
6. Step 6: Final answer
   x = 181,441.34