Finding the Fourth Proportional to 50,071.57, 69,096.11 and 28,561.88

Step by Step Solution

1. Step 1: Write the proportion equation
   50,071.57 : 69,096.11 = 28,561.88 : x
2. Step 2: Convert to fraction form
   50,071.57/69,096.11 = 28,561.88/x
3. Step 3: Cross multiply
   50,071.57x = 69,096.11 × 28,561.88
4. Step 4: Simplify right side
   50,071.57x = 1,973,514,832.22
5. Step 5: Solve for x
   x = 1,973,514,832.22/50,071.57
6. Step 6: Final answer
   x = 39,413.88