Finding the Fourth Proportional to 50,971.88, 70,326.63 and 30,814.12

Step by Step Solution

1. Step 1: Write the proportion equation
   50,971.88 : 70,326.63 = 30,814.12 : x
2. Step 2: Convert to fraction form
   50,971.88/70,326.63 = 30,814.12/x
3. Step 3: Cross multiply
   50,971.88x = 70,326.63 × 30,814.12
4. Step 4: Simplify right side
   50,971.88x = 2,167,053,303.92
5. Step 5: Solve for x
   x = 2,167,053,303.92/50,971.88
6. Step 6: Final answer
   x = 42,514.68