Finding the Fourth Proportional to 13,117.37, 19,675.98 and 3,256.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,117.37 : 19,675.98 = 3,256.56 : x
2. Step 2: Convert to fraction form
   13,117.37/19,675.98 = 3,256.56/x
3. Step 3: Cross multiply
   13,117.37x = 19,675.98 × 3,256.56
4. Step 4: Simplify right side
   13,117.37x = 64,076,009.43
5. Step 5: Solve for x
   x = 64,076,009.43/13,117.37
6. Step 6: Final answer
   x = 4,884.82