Finding the Fourth Proportional to 50,455, 69,630.06 and 28,099

Step by Step Solution

1. Step 1: Write the proportion equation
   50,455 : 69,630.06 = 28,099 : x
2. Step 2: Convert to fraction form
   50,455/69,630.06 = 28,099/x
3. Step 3: Cross multiply
   50,455x = 69,630.06 × 28,099
4. Step 4: Simplify right side
   50,455x = 1,956,535,055.94
5. Step 5: Solve for x
   x = 1,956,535,055.94/50,455
6. Step 6: Final answer
   x = 38,777.82