Finding the Fourth Proportional to 50,526, 69,725.88 and 28,170

Step by Step Solution

1. Step 1: Write the proportion equation
   50,526 : 69,725.88 = 28,170 : x
2. Step 2: Convert to fraction form
   50,526/69,725.88 = 28,170/x
3. Step 3: Cross multiply
   50,526x = 69,725.88 × 28,170
4. Step 4: Simplify right side
   50,526x = 1,964,178,039.60
5. Step 5: Solve for x
   x = 1,964,178,039.60/50,526
6. Step 6: Final answer
   x = 38,874.60