Finding the Fourth Proportional to 50,018.55, 69,061.74 and 30,924.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,018.55 : 69,061.74 = 30,924.50 : x
2. Step 2: Convert to fraction form
   50,018.55/69,061.74 = 30,924.50/x
3. Step 3: Cross multiply
   50,018.55x = 69,061.74 × 30,924.50
4. Step 4: Simplify right side
   50,018.55x = 2,135,699,433.32
5. Step 5: Solve for x
   x = 2,135,699,433.32/50,018.55
6. Step 6: Final answer
   x = 42,698.15