Finding the Fourth Proportional to 64,902.42, 89,549.82 and 36,608.18

Step by Step Solution

1. Step 1: Write the proportion equation
   64,902.42 : 89,549.82 = 36,608.18 : x
2. Step 2: Convert to fraction form
   64,902.42/89,549.82 = 36,608.18/x
3. Step 3: Cross multiply
   64,902.42x = 89,549.82 × 36,608.18
4. Step 4: Simplify right side
   64,902.42x = 3,278,255,481.78
5. Step 5: Solve for x
   x = 3,278,255,481.78/64,902.42
6. Step 6: Final answer
   x = 50,510.53