Finding the Fourth Proportional to 8,998.02, 12,417.12 and 5,019.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,998.02 : 12,417.12 = 5,019.57 : x
2. Step 2: Convert to fraction form
   8,998.02/12,417.12 = 5,019.57/x
3. Step 3: Cross multiply
   8,998.02x = 12,417.12 × 5,019.57
4. Step 4: Simplify right side
   8,998.02x = 62,328,603.04
5. Step 5: Solve for x
   x = 62,328,603.04/8,998.02
6. Step 6: Final answer
   x = 6,926.92