Finding the Fourth Proportional to 36,003.30, 49,684.17 and 19,870.75

Step by Step Solution

1. Step 1: Write the proportion equation
   36,003.30 : 49,684.17 = 19,870.75 : x
2. Step 2: Convert to fraction form
   36,003.30/49,684.17 = 19,870.75/x
3. Step 3: Cross multiply
   36,003.30x = 49,684.17 × 19,870.75
4. Step 4: Simplify right side
   36,003.30x = 987,261,721.03
5. Step 5: Solve for x
   x = 987,261,721.03/36,003.30
6. Step 6: Final answer
   x = 27,421.42