Finding the Fourth Proportional to 35,494.38, 48,980.02 and 19,578.78

Step by Step Solution

1. Step 1: Write the proportion equation
   35,494.38 : 48,980.02 = 19,578.78 : x
2. Step 2: Convert to fraction form
   35,494.38/48,980.02 = 19,578.78/x
3. Step 3: Cross multiply
   35,494.38x = 48,980.02 × 19,578.78
4. Step 4: Simplify right side
   35,494.38x = 958,969,035.98
5. Step 5: Solve for x
   x = 958,969,035.98/35,494.38
6. Step 6: Final answer
   x = 27,017.49