Finding the Fourth Proportional to 50,888.50, 70,226.14 and 31,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,888.50 : 70,226.14 = 31,016.50 : x
2. Step 2: Convert to fraction form
   50,888.50/70,226.14 = 31,016.50/x
3. Step 3: Cross multiply
   50,888.50x = 70,226.14 × 31,016.50
4. Step 4: Simplify right side
   50,888.50x = 2,178,169,071.31
5. Step 5: Solve for x
   x = 2,178,169,071.31/50,888.50
6. Step 6: Final answer
   x = 42,802.78