Finding the Fourth Proportional to 21,435.37, 29,562.54 and 16,951.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,435.37 : 29,562.54 = 16,951.34 : x
2. Step 2: Convert to fraction form
   21,435.37/29,562.54 = 16,951.34/x
3. Step 3: Cross multiply
   21,435.37x = 29,562.54 × 16,951.34
4. Step 4: Simplify right side
   21,435.37x = 501,124,695.45
5. Step 5: Solve for x
   x = 501,124,695.45/21,435.37
6. Step 6: Final answer
   x = 23,378.40