Finding the Fourth Proportional to 8,897.39, 12,277.59 and 5,119.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,897.39 : 12,277.59 = 5,119.55 : x
2. Step 2: Convert to fraction form
   8,897.39/12,277.59 = 5,119.55/x
3. Step 3: Cross multiply
   8,897.39x = 12,277.59 × 5,119.55
4. Step 4: Simplify right side
   8,897.39x = 62,855,674.50
5. Step 5: Solve for x
   x = 62,855,674.50/8,897.39
6. Step 6: Final answer
   x = 7,064.51