Finding the Fourth Proportional to 50,123.69, 69,172.99 and 28,619.26

Step by Step Solution

1. Step 1: Write the proportion equation
   50,123.69 : 69,172.99 = 28,619.26 : x
2. Step 2: Convert to fraction form
   50,123.69/69,172.99 = 28,619.26/x
3. Step 3: Cross multiply
   50,123.69x = 69,172.99 × 28,619.26
4. Step 4: Simplify right side
   50,123.69x = 1,979,679,541.31
5. Step 5: Solve for x
   x = 1,979,679,541.31/50,123.69
6. Step 6: Final answer
   x = 39,495.88