Finding the Fourth Proportional to 50,987.58, 70,367.62 and 30,849.40

Step by Step Solution

1. Step 1: Write the proportion equation
   50,987.58 : 70,367.62 = 30,849.40 : x
2. Step 2: Convert to fraction form
   50,987.58/70,367.62 = 30,849.40/x
3. Step 3: Cross multiply
   50,987.58x = 70,367.62 × 30,849.40
4. Step 4: Simplify right side
   50,987.58x = 2,170,798,856.43
5. Step 5: Solve for x
   x = 2,170,798,856.43/50,987.58
6. Step 6: Final answer
   x = 42,575.05