Finding the Fourth Proportional to 50,706.51, 69,968.90 and 28,042.42

Step by Step Solution

1. Step 1: Write the proportion equation
   50,706.51 : 69,968.90 = 28,042.42 : x
2. Step 2: Convert to fraction form
   50,706.51/69,968.90 = 28,042.42/x
3. Step 3: Cross multiply
   50,706.51x = 69,968.90 × 28,042.42
4. Step 4: Simplify right side
   50,706.51x = 1,962,097,149.37
5. Step 5: Solve for x
   x = 1,962,097,149.37/50,706.51
6. Step 6: Final answer
   x = 38,695.18