Finding the Fourth Proportional to 50,566, 69,781.12 and 28,210

Step by Step Solution

1. Step 1: Write the proportion equation
   50,566 : 69,781.12 = 28,210 : x
2. Step 2: Convert to fraction form
   50,566/69,781.12 = 28,210/x
3. Step 3: Cross multiply
   50,566x = 69,781.12 × 28,210
4. Step 4: Simplify right side
   50,566x = 1,968,525,395.20
5. Step 5: Solve for x
   x = 1,968,525,395.20/50,566
6. Step 6: Final answer
   x = 38,929.82