Finding the Fourth Proportional to 50,043.76, 69,021.92 and 34,931.60

Step by Step Solution

1. Step 1: Write the proportion equation
   50,043.76 : 69,021.92 = 34,931.60 : x
2. Step 2: Convert to fraction form
   50,043.76/69,021.92 = 34,931.60/x
3. Step 3: Cross multiply
   50,043.76x = 69,021.92 × 34,931.60
4. Step 4: Simplify right side
   50,043.76x = 2,411,046,100.67
5. Step 5: Solve for x
   x = 2,411,046,100.67/50,043.76
6. Step 6: Final answer
   x = 48,178.76