Finding the Fourth Proportional to 50,116.65, 69,141.69 and 28,607.61

Step by Step Solution

1. Step 1: Write the proportion equation
   50,116.65 : 69,141.69 = 28,607.61 : x
2. Step 2: Convert to fraction form
   50,116.65/69,141.69 = 28,607.61/x
3. Step 3: Cross multiply
   50,116.65x = 69,141.69 × 28,607.61
4. Step 4: Simplify right side
   50,116.65x = 1,977,978,502.26
5. Step 5: Solve for x
   x = 1,977,978,502.26/50,116.65
6. Step 6: Final answer
   x = 39,467.49