Finding the Fourth Proportional to 8,200.86, 12,298.44 and 5,076.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,200.86 : 12,298.44 = 5,076.12 : x
2. Step 2: Convert to fraction form
   8,200.86/12,298.44 = 5,076.12/x
3. Step 3: Cross multiply
   8,200.86x = 12,298.44 × 5,076.12
4. Step 4: Simplify right side
   8,200.86x = 62,428,357.25
5. Step 5: Solve for x
   x = 62,428,357.25/8,200.86
6. Step 6: Final answer
   x = 7,612.42