Finding the Fourth Proportional to 30,866.16, 46,290.09 and 13,096.58

Step by Step Solution

1. Step 1: Write the proportion equation
   30,866.16 : 46,290.09 = 13,096.58 : x
2. Step 2: Convert to fraction form
   30,866.16/46,290.09 = 13,096.58/x
3. Step 3: Cross multiply
   30,866.16x = 46,290.09 × 13,096.58
4. Step 4: Simplify right side
   30,866.16x = 606,241,866.89
5. Step 5: Solve for x
   x = 606,241,866.89/30,866.16
6. Step 6: Final answer
   x = 19,640.99