Finding the Fourth Proportional to 50,725.50, 76,088.34 and 13,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,725.50 : 76,088.34 = 13,789.50 : x
2. Step 2: Convert to fraction form
   50,725.50/76,088.34 = 13,789.50/x
3. Step 3: Cross multiply
   50,725.50x = 76,088.34 × 13,789.50
4. Step 4: Simplify right side
   50,725.50x = 1,049,220,164.43
5. Step 5: Solve for x
   x = 1,049,220,164.43/50,725.50
6. Step 6: Final answer
   x = 20,684.27