Finding the Fourth Proportional to 36,978.88, 51,034.44 and 21,876.41

Step by Step Solution

1. Step 1: Write the proportion equation
   36,978.88 : 51,034.44 = 21,876.41 : x
2. Step 2: Convert to fraction form
   36,978.88/51,034.44 = 21,876.41/x
3. Step 3: Cross multiply
   36,978.88x = 51,034.44 × 21,876.41
4. Step 4: Simplify right side
   36,978.88x = 1,116,450,078.39
5. Step 5: Solve for x
   x = 1,116,450,078.39/36,978.88
6. Step 6: Final answer
   x = 30,191.56