Finding the Fourth Proportional to 39,196.02, 54,091 and 21,291.33

Step by Step Solution

1. Step 1: Write the proportion equation
   39,196.02 : 54,091 = 21,291.33 : x
2. Step 2: Convert to fraction form
   39,196.02/54,091 = 21,291.33/x
3. Step 3: Cross multiply
   39,196.02x = 54,091 × 21,291.33
4. Step 4: Simplify right side
   39,196.02x = 1,151,669,331.03
5. Step 5: Solve for x
   x = 1,151,669,331.03/39,196.02
6. Step 6: Final answer
   x = 29,382.30