Finding the Fourth Proportional to 39,601.76, 54,648.76 and 23,676.80

Step by Step Solution

1. Step 1: Write the proportion equation
   39,601.76 : 54,648.76 = 23,676.80 : x
2. Step 2: Convert to fraction form
   39,601.76/54,648.76 = 23,676.80/x
3. Step 3: Cross multiply
   39,601.76x = 54,648.76 × 23,676.80
4. Step 4: Simplify right side
   39,601.76x = 1,293,907,760.77
5. Step 5: Solve for x
   x = 1,293,907,760.77/39,601.76
6. Step 6: Final answer
   x = 32,672.99