Finding the Fourth Proportional to 8,336.06, 12,499.47 and 3,409.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,336.06 : 12,499.47 = 3,409.16 : x
2. Step 2: Convert to fraction form
   8,336.06/12,499.47 = 3,409.16/x
3. Step 3: Cross multiply
   8,336.06x = 12,499.47 × 3,409.16
4. Step 4: Simplify right side
   8,336.06x = 42,612,670.20
5. Step 5: Solve for x
   x = 42,612,670.20/8,336.06
6. Step 6: Final answer
   x = 5,111.85