Finding the Fourth Proportional to 50,671.86, 69,927 and 28,315.86

Step by Step Solution

1. Step 1: Write the proportion equation
   50,671.86 : 69,927 = 28,315.86 : x
2. Step 2: Convert to fraction form
   50,671.86/69,927 = 28,315.86/x
3. Step 3: Cross multiply
   50,671.86x = 69,927 × 28,315.86
4. Step 4: Simplify right side
   50,671.86x = 1,980,043,142.22
5. Step 5: Solve for x
   x = 1,980,043,142.22/50,671.86
6. Step 6: Final answer
   x = 39,075.79