Finding the Fourth Proportional to 8,345.37, 12,513.56 and 3,345.23

Step by Step Solution

1. Step 1: Write the proportion equation
   8,345.37 : 12,513.56 = 3,345.23 : x
2. Step 2: Convert to fraction form
   8,345.37/12,513.56 = 3,345.23/x
3. Step 3: Cross multiply
   8,345.37x = 12,513.56 × 3,345.23
4. Step 4: Simplify right side
   8,345.37x = 41,860,657.02
5. Step 5: Solve for x
   x = 41,860,657.02/8,345.37
6. Step 6: Final answer
   x = 5,016.04