Finding the Fourth Proportional to 9,146.86, 12,623.25 and 5,609.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.86 : 12,623.25 = 5,609.59 : x
2. Step 2: Convert to fraction form
   9,146.86/12,623.25 = 5,609.59/x
3. Step 3: Cross multiply
   9,146.86x = 12,623.25 × 5,609.59
4. Step 4: Simplify right side
   9,146.86x = 70,811,256.97
5. Step 5: Solve for x
   x = 70,811,256.97/9,146.86
6. Step 6: Final answer
   x = 7,741.59