Finding the Fourth Proportional to 10,196.80, 15,300.77 and 3,957.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.80 : 15,300.77 = 3,957.06 : x
2. Step 2: Convert to fraction form
   10,196.80/15,300.77 = 3,957.06/x
3. Step 3: Cross multiply
   10,196.80x = 15,300.77 × 3,957.06
4. Step 4: Simplify right side
   10,196.80x = 60,546,074.83
5. Step 5: Solve for x
   x = 60,546,074.83/10,196.80
6. Step 6: Final answer
   x = 5,937.75