Finding the Fourth Proportional to 50,667.84, 69,946.56 and 31,815.36

Step by Step Solution

1. Step 1: Write the proportion equation
   50,667.84 : 69,946.56 = 31,815.36 : x
2. Step 2: Convert to fraction form
   50,667.84/69,946.56 = 31,815.36/x
3. Step 3: Cross multiply
   50,667.84x = 69,946.56 × 31,815.36
4. Step 4: Simplify right side
   50,667.84x = 2,225,374,987.16
5. Step 5: Solve for x
   x = 2,225,374,987.16/50,667.84
6. Step 6: Final answer
   x = 43,920.86