Finding the Fourth Proportional to 57,689.76, 79,682.56 and 41,748.96

Step by Step Solution

1. Step 1: Write the proportion equation
   57,689.76 : 79,682.56 = 41,748.96 : x
2. Step 2: Convert to fraction form
   57,689.76/79,682.56 = 41,748.96/x
3. Step 3: Cross multiply
   57,689.76x = 79,682.56 × 41,748.96
4. Step 4: Simplify right side
   57,689.76x = 3,326,664,010.14
5. Step 5: Solve for x
   x = 3,326,664,010.14/57,689.76
6. Step 6: Final answer
   x = 57,664.72