Finding the Fourth Proportional to 12,929.36, 17,841.90 and 7,552.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,929.36 : 17,841.90 = 7,552.07 : x
2. Step 2: Convert to fraction form
   12,929.36/17,841.90 = 7,552.07/x
3. Step 3: Cross multiply
   12,929.36x = 17,841.90 × 7,552.07
4. Step 4: Simplify right side
   12,929.36x = 134,743,188.52
5. Step 5: Solve for x
   x = 134,743,188.52/12,929.36
6. Step 6: Final answer
   x = 10,421.49