Finding the Fourth Proportional to 16,957.86, 25,440.43 and 5,714.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,957.86 : 25,440.43 = 5,714.31 : x
2. Step 2: Convert to fraction form
   16,957.86/25,440.43 = 5,714.31/x
3. Step 3: Cross multiply
   16,957.86x = 25,440.43 × 5,714.31
4. Step 4: Simplify right side
   16,957.86x = 145,374,503.55
5. Step 5: Solve for x
   x = 145,374,503.55/16,957.86
6. Step 6: Final answer
   x = 8,572.69