Finding the Fourth Proportional to 12,903.09, 17,806.89 and 7,599.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,903.09 : 17,806.89 = 7,599.61 : x
2. Step 2: Convert to fraction form
   12,903.09/17,806.89 = 7,599.61/x
3. Step 3: Cross multiply
   12,903.09x = 17,806.89 × 7,599.61
4. Step 4: Simplify right side
   12,903.09x = 135,325,419.31
5. Step 5: Solve for x
   x = 135,325,419.31/12,903.09
6. Step 6: Final answer
   x = 10,487.83