Finding the Fourth Proportional to 8,998.18, 12,417.78 and 5,019.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,998.18 : 12,417.78 = 5,019.46 : x
2. Step 2: Convert to fraction form
   8,998.18/12,417.78 = 5,019.46/x
3. Step 3: Cross multiply
   8,998.18x = 12,417.78 × 5,019.46
4. Step 4: Simplify right side
   8,998.18x = 62,330,550.00
5. Step 5: Solve for x
   x = 62,330,550.00/8,998.18
6. Step 6: Final answer
   x = 6,927.02