Finding the Fourth Proportional to 50,271.57, 69,342.89 and 30,881.99

Step by Step Solution

1. Step 1: Write the proportion equation
   50,271.57 : 69,342.89 = 30,881.99 : x
2. Step 2: Convert to fraction form
   50,271.57/69,342.89 = 30,881.99/x
3. Step 3: Cross multiply
   50,271.57x = 69,342.89 × 30,881.99
4. Step 4: Simplify right side
   50,271.57x = 2,141,446,454.50
5. Step 5: Solve for x
   x = 2,141,446,454.50/50,271.57
6. Step 6: Final answer
   x = 42,597.56