Finding the Fourth Proportional to 50,503.50, 69,696.99 and 28,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,503.50 : 69,696.99 = 28,147.50 : x
2. Step 2: Convert to fraction form
   50,503.50/69,696.99 = 28,147.50/x
3. Step 3: Cross multiply
   50,503.50x = 69,696.99 × 28,147.50
4. Step 4: Simplify right side
   50,503.50x = 1,961,796,026.03
5. Step 5: Solve for x
   x = 1,961,796,026.03/50,503.50
6. Step 6: Final answer
   x = 38,844.75