Finding the Fourth Proportional to 39,627.72, 59,425.38 and 17,139.69

Step by Step Solution

1. Step 1: Write the proportion equation
   39,627.72 : 59,425.38 = 17,139.69 : x
2. Step 2: Convert to fraction form
   39,627.72/59,425.38 = 17,139.69/x
3. Step 3: Cross multiply
   39,627.72x = 59,425.38 × 17,139.69
4. Step 4: Simplify right side
   39,627.72x = 1,018,532,591.33
5. Step 5: Solve for x
   x = 1,018,532,591.33/39,627.72
6. Step 6: Final answer
   x = 25,702.53