Finding the Fourth Proportional to 50,288.31, 69,403.82 and 30,156.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,288.31 : 69,403.82 = 30,156.28 : x
2. Step 2: Convert to fraction form
   50,288.31/69,403.82 = 30,156.28/x
3. Step 3: Cross multiply
   50,288.31x = 69,403.82 × 30,156.28
4. Step 4: Simplify right side
   50,288.31x = 2,092,960,704.70
5. Step 5: Solve for x
   x = 2,092,960,704.70/50,288.31
6. Step 6: Final answer
   x = 41,619.23