Finding the Fourth Proportional to 50,654.72, 69,902.16 and 28,298.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,654.72 : 69,902.16 = 28,298.72 : x
2. Step 2: Convert to fraction form
   50,654.72/69,902.16 = 28,298.72/x
3. Step 3: Cross multiply
   50,654.72x = 69,902.16 × 28,298.72
4. Step 4: Simplify right side
   50,654.72x = 1,978,141,653.24
5. Step 5: Solve for x
   x = 1,978,141,653.24/50,654.72
6. Step 6: Final answer
   x = 39,051.48