Finding the Fourth Proportional to 9,097.94, 12,555.86 and 5,119.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,097.94 : 12,555.86 = 5,119.43 : x
2. Step 2: Convert to fraction form
   9,097.94/12,555.86 = 5,119.43/x
3. Step 3: Cross multiply
   9,097.94x = 12,555.86 × 5,119.43
4. Step 4: Simplify right side
   9,097.94x = 64,278,757.98
5. Step 5: Solve for x
   x = 64,278,757.98/9,097.94
6. Step 6: Final answer
   x = 7,065.20