Finding the Fourth Proportional to 35,569.54, 49,082.79 and 20,458.18

Step by Step Solution

1. Step 1: Write the proportion equation
   35,569.54 : 49,082.79 = 20,458.18 : x
2. Step 2: Convert to fraction form
   35,569.54/49,082.79 = 20,458.18/x
3. Step 3: Cross multiply
   35,569.54x = 49,082.79 × 20,458.18
4. Step 4: Simplify right side
   35,569.54x = 1,004,144,552.72
5. Step 5: Solve for x
   x = 1,004,144,552.72/35,569.54
6. Step 6: Final answer
   x = 28,230.46