Finding the Fourth Proportional to 17,298.74, 23,872.82 and 10,129.37

Step by Step Solution

1. Step 1: Write the proportion equation
   17,298.74 : 23,872.82 = 10,129.37 : x
2. Step 2: Convert to fraction form
   17,298.74/23,872.82 = 10,129.37/x
3. Step 3: Cross multiply
   17,298.74x = 23,872.82 × 10,129.37
4. Step 4: Simplify right side
   17,298.74x = 241,816,532.68
5. Step 5: Solve for x
   x = 241,816,532.68/17,298.74
6. Step 6: Final answer
   x = 13,978.86