Finding the Fourth Proportional to 50,478.16, 69,630.96 and 31,582.48

Step by Step Solution

1. Step 1: Write the proportion equation
   50,478.16 : 69,630.96 = 31,582.48 : x
2. Step 2: Convert to fraction form
   50,478.16/69,630.96 = 31,582.48/x
3. Step 3: Cross multiply
   50,478.16x = 69,630.96 × 31,582.48
4. Step 4: Simplify right side
   50,478.16x = 2,199,118,401.58
5. Step 5: Solve for x
   x = 2,199,118,401.58/50,478.16
6. Step 6: Final answer
   x = 43,565.74