Finding the Fourth Proportional to 50,009.04, 69,042.42 and 31,171.68

Step by Step Solution

1. Step 1: Write the proportion equation
   50,009.04 : 69,042.42 = 31,171.68 : x
2. Step 2: Convert to fraction form
   50,009.04/69,042.42 = 31,171.68/x
3. Step 3: Cross multiply
   50,009.04x = 69,042.42 × 31,171.68
4. Step 4: Simplify right side
   50,009.04x = 2,152,168,222.67
5. Step 5: Solve for x
   x = 2,152,168,222.67/50,009.04
6. Step 6: Final answer
   x = 43,035.58