Finding the Fourth Proportional to 35,866.80, 49,500.72 and 19,958.40

Step by Step Solution

1. Step 1: Write the proportion equation
   35,866.80 : 49,500.72 = 19,958.40 : x
2. Step 2: Convert to fraction form
   35,866.80/49,500.72 = 19,958.40/x
3. Step 3: Cross multiply
   35,866.80x = 49,500.72 × 19,958.40
4. Step 4: Simplify right side
   35,866.80x = 987,955,170.05
5. Step 5: Solve for x
   x = 987,955,170.05/35,866.80
6. Step 6: Final answer
   x = 27,545.12