Finding the Fourth Proportional to 50,748.37, 70,039.29 and 30,616.12

Step by Step Solution

1. Step 1: Write the proportion equation
   50,748.37 : 70,039.29 = 30,616.12 : x
2. Step 2: Convert to fraction form
   50,748.37/70,039.29 = 30,616.12/x
3. Step 3: Cross multiply
   50,748.37x = 70,039.29 × 30,616.12
4. Step 4: Simplify right side
   50,748.37x = 2,144,331,394.90
5. Step 5: Solve for x
   x = 2,144,331,394.90/50,748.37
6. Step 6: Final answer
   x = 42,254.19