Finding the Fourth Proportional to 12,657.47, 17,469.60 and 7,553.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,657.47 : 17,469.60 = 7,553.32 : x
2. Step 2: Convert to fraction form
   12,657.47/17,469.60 = 7,553.32/x
3. Step 3: Cross multiply
   12,657.47x = 17,469.60 × 7,553.32
4. Step 4: Simplify right side
   12,657.47x = 131,953,479.07
5. Step 5: Solve for x
   x = 131,953,479.07/12,657.47
6. Step 6: Final answer
   x = 10,424.95