Finding the Fourth Proportional to 12,585.69, 17,349.89 and 8,797.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,585.69 : 17,349.89 = 8,797.05 : x
2. Step 2: Convert to fraction form
   12,585.69/17,349.89 = 8,797.05/x
3. Step 3: Cross multiply
   12,585.69x = 17,349.89 × 8,797.05
4. Step 4: Simplify right side
   12,585.69x = 152,627,903.89
5. Step 5: Solve for x
   x = 152,627,903.89/12,585.69
6. Step 6: Final answer
   x = 12,127.10