Finding the Fourth Proportional to 8,997.82, 12,417.60 and 5,018.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,997.82 : 12,417.60 = 5,018.90 : x
2. Step 2: Convert to fraction form
   8,997.82/12,417.60 = 5,018.90/x
3. Step 3: Cross multiply
   8,997.82x = 12,417.60 × 5,018.90
4. Step 4: Simplify right side
   8,997.82x = 62,322,649.37
5. Step 5: Solve for x
   x = 62,322,649.37/8,997.82
6. Step 6: Final answer
   x = 6,926.42