Finding the Fourth Proportional to 39,820.88, 59,757.24 and 17,648.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,820.88 : 59,757.24 = 17,648.72 : x
2. Step 2: Convert to fraction form
   39,820.88/59,757.24 = 17,648.72/x
3. Step 3: Cross multiply
   39,820.88x = 59,757.24 × 17,648.72
4. Step 4: Simplify right side
   39,820.88x = 1,054,638,796.73
5. Step 5: Solve for x
   x = 1,054,638,796.73/39,820.88
6. Step 6: Final answer
   x = 26,484.57