Finding the Fourth Proportional to 50,713.55, 69,979.31 and 28,048.94

Step by Step Solution

1. Step 1: Write the proportion equation
   50,713.55 : 69,979.31 = 28,048.94 : x
2. Step 2: Convert to fraction form
   50,713.55/69,979.31 = 28,048.94/x
3. Step 3: Cross multiply
   50,713.55x = 69,979.31 × 28,048.94
4. Step 4: Simplify right side
   50,713.55x = 1,962,845,467.43
5. Step 5: Solve for x
   x = 1,962,845,467.43/50,713.55
6. Step 6: Final answer
   x = 38,704.56