Finding the Fourth Proportional to 21,978.41, 32,944.37 and 7,183.35

Step by Step Solution

1. Step 1: Write the proportion equation
   21,978.41 : 32,944.37 = 7,183.35 : x
2. Step 2: Convert to fraction form
   21,978.41/32,944.37 = 7,183.35/x
3. Step 3: Cross multiply
   21,978.41x = 32,944.37 × 7,183.35
4. Step 4: Simplify right side
   21,978.41x = 236,650,904.32
5. Step 5: Solve for x
   x = 236,650,904.32/21,978.41
6. Step 6: Final answer
   x = 10,767.43