Finding the Fourth Proportional to 23,103.37, 31,827.37 and 21,977.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,103.37 : 31,827.37 = 21,977.76 : x
2. Step 2: Convert to fraction form
   23,103.37/31,827.37 = 21,977.76/x
3. Step 3: Cross multiply
   23,103.37x = 31,827.37 × 21,977.76
4. Step 4: Simplify right side
   23,103.37x = 699,494,299.29
5. Step 5: Solve for x
   x = 699,494,299.29/23,103.37
6. Step 6: Final answer
   x = 30,276.72