Finding the Fourth Proportional to 64,970.50, 89,659.34 and 35,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,970.50 : 89,659.34 = 35,162.50 : x
2. Step 2: Convert to fraction form
   64,970.50/89,659.34 = 35,162.50/x
3. Step 3: Cross multiply
   64,970.50x = 89,659.34 × 35,162.50
4. Step 4: Simplify right side
   64,970.50x = 3,152,646,542.75
5. Step 5: Solve for x
   x = 3,152,646,542.75/64,970.50
6. Step 6: Final answer
   x = 48,524.28