Finding the Fourth Proportional to 65,470.50, 90,349.32 and 35,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,470.50 : 90,349.32 = 35,662.50 : x
2. Step 2: Convert to fraction form
   65,470.50/90,349.32 = 35,662.50/x
3. Step 3: Cross multiply
   65,470.50x = 90,349.32 × 35,662.50
4. Step 4: Simplify right side
   65,470.50x = 3,222,082,624.50
5. Step 5: Solve for x
   x = 3,222,082,624.50/65,470.50
6. Step 6: Final answer
   x = 49,214.27