Finding the Fourth Proportional to 64,884.50, 89,540.73 and 35,076.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,884.50 : 89,540.73 = 35,076.50 : x
2. Step 2: Convert to fraction form
   64,884.50/89,540.73 = 35,076.50/x
3. Step 3: Cross multiply
   64,884.50x = 89,540.73 × 35,076.50
4. Step 4: Simplify right side
   64,884.50x = 3,140,775,415.85
5. Step 5: Solve for x
   x = 3,140,775,415.85/64,884.50
6. Step 6: Final answer
   x = 48,405.63