Finding the Fourth Proportional to 50,112, 69,154.56 and 30,240

Step by Step Solution

1. Step 1: Write the proportion equation
   50,112 : 69,154.56 = 30,240 : x
2. Step 2: Convert to fraction form
   50,112/69,154.56 = 30,240/x
3. Step 3: Cross multiply
   50,112x = 69,154.56 × 30,240
4. Step 4: Simplify right side
   50,112x = 2,091,233,894.40
5. Step 5: Solve for x
   x = 2,091,233,894.40/50,112
6. Step 6: Final answer
   x = 41,731.20