Finding the Fourth Proportional to 8,538.58, 12,809.76 and 3,344.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,538.58 : 12,809.76 = 3,344.50 : x
2. Step 2: Convert to fraction form
   8,538.58/12,809.76 = 3,344.50/x
3. Step 3: Cross multiply
   8,538.58x = 12,809.76 × 3,344.50
4. Step 4: Simplify right side
   8,538.58x = 42,842,242.32
5. Step 5: Solve for x
   x = 42,842,242.32/8,538.58
6. Step 6: Final answer
   x = 5,017.49