Finding the Fourth Proportional to 64,520.73, 89,035.59 and 35,842.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,520.73 : 89,035.59 = 35,842.25 : x
2. Step 2: Convert to fraction form
   64,520.73/89,035.59 = 35,842.25/x
3. Step 3: Cross multiply
   64,520.73x = 89,035.59 × 35,842.25
4. Step 4: Simplify right side
   64,520.73x = 3,191,235,875.68
5. Step 5: Solve for x
   x = 3,191,235,875.68/64,520.73
6. Step 6: Final answer
   x = 49,460.63