Finding the Fourth Proportional to 12,583.60, 17,335.37 and 8,799.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,583.60 : 17,335.37 = 8,799.69 : x
2. Step 2: Convert to fraction form
   12,583.60/17,335.37 = 8,799.69/x
3. Step 3: Cross multiply
   12,583.60x = 17,335.37 × 8,799.69
4. Step 4: Simplify right side
   12,583.60x = 152,545,882.04
5. Step 5: Solve for x
   x = 152,545,882.04/12,583.60
6. Step 6: Final answer
   x = 12,122.59