Finding the Fourth Proportional to 10,653.09, 15,980.37 and 3,256.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,653.09 : 15,980.37 = 3,256.98 : x
2. Step 2: Convert to fraction form
   10,653.09/15,980.37 = 3,256.98/x
3. Step 3: Cross multiply
   10,653.09x = 15,980.37 × 3,256.98
4. Step 4: Simplify right side
   10,653.09x = 52,047,665.58
5. Step 5: Solve for x
   x = 52,047,665.58/10,653.09
6. Step 6: Final answer
   x = 4,885.69