Finding the Fourth Proportional to 50,487.20, 69,677.52 and 30,350.60

Step by Step Solution

1. Step 1: Write the proportion equation
   50,487.20 : 69,677.52 = 30,350.60 : x
2. Step 2: Convert to fraction form
   50,487.20/69,677.52 = 30,350.60/x
3. Step 3: Cross multiply
   50,487.20x = 69,677.52 × 30,350.60
4. Step 4: Simplify right side
   50,487.20x = 2,114,754,538.51
5. Step 5: Solve for x
   x = 2,114,754,538.51/50,487.20
6. Step 6: Final answer
   x = 41,886.94