Finding the Fourth Proportional to 50,617.12, 69,848.54 and 30,480.52

Step by Step Solution

1. Step 1: Write the proportion equation
   50,617.12 : 69,848.54 = 30,480.52 : x
2. Step 2: Convert to fraction form
   50,617.12/69,848.54 = 30,480.52/x
3. Step 3: Cross multiply
   50,617.12x = 69,848.54 × 30,480.52
4. Step 4: Simplify right side
   50,617.12x = 2,129,019,820.44
5. Step 5: Solve for x
   x = 2,129,019,820.44/50,617.12
6. Step 6: Final answer
   x = 42,061.26