Finding the Fourth Proportional to 17,238.38, 25,844.39 and 7,871.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,238.38 : 25,844.39 = 7,871.88 : x
2. Step 2: Convert to fraction form
   17,238.38/25,844.39 = 7,871.88/x
3. Step 3: Cross multiply
   17,238.38x = 25,844.39 × 7,871.88
4. Step 4: Simplify right side
   17,238.38x = 203,443,897.39
5. Step 5: Solve for x
   x = 203,443,897.39/17,238.38
6. Step 6: Final answer
   x = 11,801.80