Finding the Fourth Proportional to 35,748.50, 49,338.81 and 19,838.07

Step by Step Solution

1. Step 1: Write the proportion equation
   35,748.50 : 49,338.81 = 19,838.07 : x
2. Step 2: Convert to fraction form
   35,748.50/49,338.81 = 19,838.07/x
3. Step 3: Cross multiply
   35,748.50x = 49,338.81 × 19,838.07
4. Step 4: Simplify right side
   35,748.50x = 978,786,766.50
5. Step 5: Solve for x
   x = 978,786,766.50/35,748.50
6. Step 6: Final answer
   x = 27,379.80