Finding the Fourth Proportional to 35,967.47, 49,639.59 and 20,658.82

Step by Step Solution

1. Step 1: Write the proportion equation
   35,967.47 : 49,639.59 = 20,658.82 : x
2. Step 2: Convert to fraction form
   35,967.47/49,639.59 = 20,658.82/x
3. Step 3: Cross multiply
   35,967.47x = 49,639.59 × 20,658.82
4. Step 4: Simplify right side
   35,967.47x = 1,025,495,003.19
5. Step 5: Solve for x
   x = 1,025,495,003.19/35,967.47
6. Step 6: Final answer
   x = 28,511.74