Finding the Fourth Proportional to 50,298.57, 69,380.15 and 30,908.99

Step by Step Solution

1. Step 1: Write the proportion equation
   50,298.57 : 69,380.15 = 30,908.99 : x
2. Step 2: Convert to fraction form
   50,298.57/69,380.15 = 30,908.99/x
3. Step 3: Cross multiply
   50,298.57x = 69,380.15 × 30,908.99
4. Step 4: Simplify right side
   50,298.57x = 2,144,470,381.45
5. Step 5: Solve for x
   x = 2,144,470,381.45/50,298.57
6. Step 6: Final answer
   x = 42,634.82