Finding the Fourth Proportional to 50,892.16, 70,229.76 and 30,765.76

Step by Step Solution

1. Step 1: Write the proportion equation
   50,892.16 : 70,229.76 = 30,765.76 : x
2. Step 2: Convert to fraction form
   50,892.16/70,229.76 = 30,765.76/x
3. Step 3: Cross multiply
   50,892.16x = 70,229.76 × 30,765.76
4. Step 4: Simplify right side
   50,892.16x = 2,160,671,941.02
5. Step 5: Solve for x
   x = 2,160,671,941.02/50,892.16
6. Step 6: Final answer
   x = 42,455.89