Finding the Fourth Proportional to 8,345.48, 12,518.06 and 2,799.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,345.48 : 12,518.06 = 2,799.24 : x
2. Step 2: Convert to fraction form
   8,345.48/12,518.06 = 2,799.24/x
3. Step 3: Cross multiply
   8,345.48x = 12,518.06 × 2,799.24
4. Step 4: Simplify right side
   8,345.48x = 35,041,054.27
5. Step 5: Solve for x
   x = 35,041,054.27/8,345.48
6. Step 6: Final answer
   x = 4,198.81