Finding the Fourth Proportional to 64,766.56, 89,376.16 and 36,470.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,766.56 : 89,376.16 = 36,470.56 : x
2. Step 2: Convert to fraction form
   64,766.56/89,376.16 = 36,470.56/x
3. Step 3: Cross multiply
   64,766.56x = 89,376.16 × 36,470.56
4. Step 4: Simplify right side
   64,766.56x = 3,259,598,605.85
5. Step 5: Solve for x
   x = 3,259,598,605.85/64,766.56
6. Step 6: Final answer
   x = 50,328.42