Finding the Fourth Proportional to 50,461, 69,636.18 and 28,105

Step by Step Solution

1. Step 1: Write the proportion equation
   50,461 : 69,636.18 = 28,105 : x
2. Step 2: Convert to fraction form
   50,461/69,636.18 = 28,105/x
3. Step 3: Cross multiply
   50,461x = 69,636.18 × 28,105
4. Step 4: Simplify right side
   50,461x = 1,957,124,838.90
5. Step 5: Solve for x
   x = 1,957,124,838.90/50,461
6. Step 6: Final answer
   x = 38,784.90