Finding the Fourth Proportional to 50,688.96, 76,014.54 and 17,399.58

Step by Step Solution

1. Step 1: Write the proportion equation
   50,688.96 : 76,014.54 = 17,399.58 : x
2. Step 2: Convert to fraction form
   50,688.96/76,014.54 = 17,399.58/x
3. Step 3: Cross multiply
   50,688.96x = 76,014.54 × 17,399.58
4. Step 4: Simplify right side
   50,688.96x = 1,322,621,069.89
5. Step 5: Solve for x
   x = 1,322,621,069.89/50,688.96
6. Step 6: Final answer
   x = 26,092.88