Finding the Fourth Proportional to 50,696.82, 76,045.49 and 13,256.98

Step by Step Solution

1. Step 1: Write the proportion equation
   50,696.82 : 76,045.49 = 13,256.98 : x
2. Step 2: Convert to fraction form
   50,696.82/76,045.49 = 13,256.98/x
3. Step 3: Cross multiply
   50,696.82x = 76,045.49 × 13,256.98
4. Step 4: Simplify right side
   50,696.82x = 1,008,133,540.02
5. Step 5: Solve for x
   x = 1,008,133,540.02/50,696.82
6. Step 6: Final answer
   x = 19,885.54