Finding the Fourth Proportional to 50,273.60, 69,374.88 and 30,131.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,273.60 : 69,374.88 = 30,131.28 : x
2. Step 2: Convert to fraction form
   50,273.60/69,374.88 = 30,131.28/x
3. Step 3: Cross multiply
   50,273.60x = 69,374.88 × 30,131.28
4. Step 4: Simplify right side
   50,273.60x = 2,090,353,934.25
5. Step 5: Solve for x
   x = 2,090,353,934.25/50,273.60
6. Step 6: Final answer
   x = 41,579.56