Finding the Fourth Proportional to 16,300.54, 22,493.19 and 12,951.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,300.54 : 22,493.19 = 12,951.46 : x
2. Step 2: Convert to fraction form
   16,300.54/22,493.19 = 12,951.46/x
3. Step 3: Cross multiply
   16,300.54x = 22,493.19 × 12,951.46
4. Step 4: Simplify right side
   16,300.54x = 291,319,650.56
5. Step 5: Solve for x
   x = 291,319,650.56/16,300.54
6. Step 6: Final answer
   x = 17,871.78