Finding the Fourth Proportional to 50,796.96, 70,091.56 and 30,387.45

Step by Step Solution

1. Step 1: Write the proportion equation
   50,796.96 : 70,091.56 = 30,387.45 : x
2. Step 2: Convert to fraction form
   50,796.96/70,091.56 = 30,387.45/x
3. Step 3: Cross multiply
   50,796.96x = 70,091.56 × 30,387.45
4. Step 4: Simplify right side
   50,796.96x = 2,129,904,075.75
5. Step 5: Solve for x
   x = 2,129,904,075.75/50,796.96
6. Step 6: Final answer
   x = 41,929.76