Finding the Fourth Proportional to 39,455.82, 59,182.56 and 13,160.82

Step by Step Solution

1. Step 1: Write the proportion equation
   39,455.82 : 59,182.56 = 13,160.82 : x
2. Step 2: Convert to fraction form
   39,455.82/59,182.56 = 13,160.82/x
3. Step 3: Cross multiply
   39,455.82x = 59,182.56 × 13,160.82
4. Step 4: Simplify right side
   39,455.82x = 778,891,019.30
5. Step 5: Solve for x
   x = 778,891,019.30/39,455.82
6. Step 6: Final answer
   x = 19,740.84