Finding the Fourth Proportional to 50,652.72, 69,903.24 and 30,515.76

Step by Step Solution

1. Step 1: Write the proportion equation
   50,652.72 : 69,903.24 = 30,515.76 : x
2. Step 2: Convert to fraction form
   50,652.72/69,903.24 = 30,515.76/x
3. Step 3: Cross multiply
   50,652.72x = 69,903.24 × 30,515.76
4. Step 4: Simplify right side
   50,652.72x = 2,133,150,495.06
5. Step 5: Solve for x
   x = 2,133,150,495.06/50,652.72
6. Step 6: Final answer
   x = 42,113.25