Finding the Fourth Proportional to 50,941.55, 70,299.62 and 28,280.18

Step by Step Solution

1. Step 1: Write the proportion equation
   50,941.55 : 70,299.62 = 28,280.18 : x
2. Step 2: Convert to fraction form
   50,941.55/70,299.62 = 28,280.18/x
3. Step 3: Cross multiply
   50,941.55x = 70,299.62 × 28,280.18
4. Step 4: Simplify right side
   50,941.55x = 1,988,085,414.63
5. Step 5: Solve for x
   x = 1,988,085,414.63/50,941.55
6. Step 6: Final answer
   x = 39,026.80