Finding the Fourth Proportional to 12,675.18, 17,487.47 and 7,365.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,675.18 : 17,487.47 = 7,365.63 : x
2. Step 2: Convert to fraction form
   12,675.18/17,487.47 = 7,365.63/x
3. Step 3: Cross multiply
   12,675.18x = 17,487.47 × 7,365.63
4. Step 4: Simplify right side
   12,675.18x = 128,806,196.83
5. Step 5: Solve for x
   x = 128,806,196.83/12,675.18
6. Step 6: Final answer
   x = 10,162.08