Finding the Fourth Proportional to 8,498.22, 11,727.38 and 5,139.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,498.22 : 11,727.38 = 5,139.84 : x
2. Step 2: Convert to fraction form
   8,498.22/11,727.38 = 5,139.84/x
3. Step 3: Cross multiply
   8,498.22x = 11,727.38 × 5,139.84
4. Step 4: Simplify right side
   8,498.22x = 60,276,856.82
5. Step 5: Solve for x
   x = 60,276,856.82/8,498.22
6. Step 6: Final answer
   x = 7,092.88