Finding the Fourth Proportional to 50,056.92, 69,078.51 and 31,194

Step by Step Solution

1. Step 1: Write the proportion equation
   50,056.92 : 69,078.51 = 31,194 : x
2. Step 2: Convert to fraction form
   50,056.92/69,078.51 = 31,194/x
3. Step 3: Cross multiply
   50,056.92x = 69,078.51 × 31,194
4. Step 4: Simplify right side
   50,056.92x = 2,154,835,040.94
5. Step 5: Solve for x
   x = 2,154,835,040.94/50,056.92
6. Step 6: Final answer
   x = 43,047.70