Finding the Fourth Proportional to 9,219.93, 12,723.63 and 5,028.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,219.93 : 12,723.63 = 5,028.18 : x
2. Step 2: Convert to fraction form
   9,219.93/12,723.63 = 5,028.18/x
3. Step 3: Cross multiply
   9,219.93x = 12,723.63 × 5,028.18
4. Step 4: Simplify right side
   9,219.93x = 63,976,701.89
5. Step 5: Solve for x
   x = 63,976,701.89/9,219.93
6. Step 6: Final answer
   x = 6,938.96