Finding the Fourth Proportional to 12,809.48, 17,677.62 and 7,503.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,809.48 : 17,677.62 = 7,503.56 : x
2. Step 2: Convert to fraction form
   12,809.48/17,677.62 = 7,503.56/x
3. Step 3: Cross multiply
   12,809.48x = 17,677.62 × 7,503.56
4. Step 4: Simplify right side
   12,809.48x = 132,645,082.33
5. Step 5: Solve for x
   x = 132,645,082.33/12,809.48
6. Step 6: Final answer
   x = 10,355.23