Finding the Fourth Proportional to 8,542.58, 12,815.86 and 3,348.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,542.58 : 12,815.86 = 3,348.50 : x
2. Step 2: Convert to fraction form
   8,542.58/12,815.86 = 3,348.50/x
3. Step 3: Cross multiply
   8,542.58x = 12,815.86 × 3,348.50
4. Step 4: Simplify right side
   8,542.58x = 42,913,907.21
5. Step 5: Solve for x
   x = 42,913,907.21/8,542.58
6. Step 6: Final answer
   x = 5,023.53