Finding the Fourth Proportional to 50,416.48, 69,573.76 and 31,564

Step by Step Solution

1. Step 1: Write the proportion equation
   50,416.48 : 69,573.76 = 31,564 : x
2. Step 2: Convert to fraction form
   50,416.48/69,573.76 = 31,564/x
3. Step 3: Cross multiply
   50,416.48x = 69,573.76 × 31,564
4. Step 4: Simplify right side
   50,416.48x = 2,196,026,160.64
5. Step 5: Solve for x
   x = 2,196,026,160.64/50,416.48
6. Step 6: Final answer
   x = 43,557.70