Finding the Fourth Proportional to 69,933.54, 104,944.06 and 28,380.54

Step by Step Solution

1. Step 1: Write the proportion equation
   69,933.54 : 104,944.06 = 28,380.54 : x
2. Step 2: Convert to fraction form
   69,933.54/104,944.06 = 28,380.54/x
3. Step 3: Cross multiply
   69,933.54x = 104,944.06 × 28,380.54
4. Step 4: Simplify right side
   69,933.54x = 2,978,369,092.59
5. Step 5: Solve for x
   x = 2,978,369,092.59/69,933.54
6. Step 6: Final answer
   x = 42,588.56