Finding the Fourth Proportional to 39,189.32, 54,084.60 and 22,196.54

Step by Step Solution

1. Step 1: Write the proportion equation
   39,189.32 : 54,084.60 = 22,196.54 : x
2. Step 2: Convert to fraction form
   39,189.32/54,084.60 = 22,196.54/x
3. Step 3: Cross multiply
   39,189.32x = 54,084.60 × 22,196.54
4. Step 4: Simplify right side
   39,189.32x = 1,200,490,987.28
5. Step 5: Solve for x
   x = 1,200,490,987.28/39,189.32
6. Step 6: Final answer
   x = 30,633.12