Finding the Fourth Proportional to 50,300.64, 69,416.76 and 30,160.80

Step by Step Solution

1. Step 1: Write the proportion equation
   50,300.64 : 69,416.76 = 30,160.80 : x
2. Step 2: Convert to fraction form
   50,300.64/69,416.76 = 30,160.80/x
3. Step 3: Cross multiply
   50,300.64x = 69,416.76 × 30,160.80
4. Step 4: Simplify right side
   50,300.64x = 2,093,665,015.01
5. Step 5: Solve for x
   x = 2,093,665,015.01/50,300.64
6. Step 6: Final answer
   x = 41,623.03