Finding the Fourth Proportional to 35,394.77, 53,078.27 and 13,196.03

Step by Step Solution

1. Step 1: Write the proportion equation
   35,394.77 : 53,078.27 = 13,196.03 : x
2. Step 2: Convert to fraction form
   35,394.77/53,078.27 = 13,196.03/x
3. Step 3: Cross multiply
   35,394.77x = 53,078.27 × 13,196.03
4. Step 4: Simplify right side
   35,394.77x = 700,422,608.95
5. Step 5: Solve for x
   x = 700,422,608.95/35,394.77
6. Step 6: Final answer
   x = 19,788.88