Finding the Fourth Proportional to 35,141.56, 52,678.50 and 12,942.82

Step by Step Solution

1. Step 1: Write the proportion equation
   35,141.56 : 52,678.50 = 12,942.82 : x
2. Step 2: Convert to fraction form
   35,141.56/52,678.50 = 12,942.82/x
3. Step 3: Cross multiply
   35,141.56x = 52,678.50 × 12,942.82
4. Step 4: Simplify right side
   35,141.56x = 681,808,343.37
5. Step 5: Solve for x
   x = 681,808,343.37/35,141.56
6. Step 6: Final answer
   x = 19,401.77