Finding the Fourth Proportional to 12,858.26, 17,744.52 and 7,553.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,858.26 : 17,744.52 = 7,553.18 : x
2. Step 2: Convert to fraction form
   12,858.26/17,744.52 = 7,553.18/x
3. Step 3: Cross multiply
   12,858.26x = 17,744.52 × 7,553.18
4. Step 4: Simplify right side
   12,858.26x = 134,027,553.57
5. Step 5: Solve for x
   x = 134,027,553.57/12,858.26
6. Step 6: Final answer
   x = 10,423.46