Finding the Fourth Proportional to 50,096.48, 69,139.13 and 30,988.94

Step by Step Solution

1. Step 1: Write the proportion equation
   50,096.48 : 69,139.13 = 30,988.94 : x
2. Step 2: Convert to fraction form
   50,096.48/69,139.13 = 30,988.94/x
3. Step 3: Cross multiply
   50,096.48x = 69,139.13 × 30,988.94
4. Step 4: Simplify right side
   50,096.48x = 2,142,547,850.58
5. Step 5: Solve for x
   x = 2,142,547,850.58/50,096.48
6. Step 6: Final answer
   x = 42,768.43