Finding the Fourth Proportional to 11,939.34, 17,907.39 and 3,173.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,939.34 : 17,907.39 = 3,173.52 : x
2. Step 2: Convert to fraction form
   11,939.34/17,907.39 = 3,173.52/x
3. Step 3: Cross multiply
   11,939.34x = 17,907.39 × 3,173.52
4. Step 4: Simplify right side
   11,939.34x = 56,829,460.31
5. Step 5: Solve for x
   x = 56,829,460.31/11,939.34
6. Step 6: Final answer
   x = 4,759.85