Finding the Fourth Proportional to 12,924.20, 17,835.42 and 7,550.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,924.20 : 17,835.42 = 7,550.32 : x
2. Step 2: Convert to fraction form
   12,924.20/17,835.42 = 7,550.32/x
3. Step 3: Cross multiply
   12,924.20x = 17,835.42 × 7,550.32
4. Step 4: Simplify right side
   12,924.20x = 134,663,128.33
5. Step 5: Solve for x
   x = 134,663,128.33/12,924.20
6. Step 6: Final answer
   x = 10,419.46