Finding the Fourth Proportional to 64,982.50, 89,676.12 and 35,174.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,982.50 : 89,676.12 = 35,174.50 : x
2. Step 2: Convert to fraction form
   64,982.50/89,676.12 = 35,174.50/x
3. Step 3: Cross multiply
   64,982.50x = 89,676.12 × 35,174.50
4. Step 4: Simplify right side
   64,982.50x = 3,154,312,682.94
5. Step 5: Solve for x
   x = 3,154,312,682.94/64,982.50
6. Step 6: Final answer
   x = 48,540.96