Finding the Fourth Proportional to 74,441.36, 102,667.56 and 50,528.72

Step by Step Solution

1. Step 1: Write the proportion equation
   74,441.36 : 102,667.56 = 50,528.72 : x
2. Step 2: Convert to fraction form
   74,441.36/102,667.56 = 50,528.72/x
3. Step 3: Cross multiply
   74,441.36x = 102,667.56 × 50,528.72
4. Step 4: Simplify right side
   74,441.36x = 5,187,660,392.32
5. Step 5: Solve for x
   x = 5,187,660,392.32/74,441.36
6. Step 6: Final answer
   x = 69,687.88