Finding the Fourth Proportional to 16,707.84, 24,914.32 and 16,557.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,707.84 : 24,914.32 = 16,557.86 : x
2. Step 2: Convert to fraction form
   16,707.84/24,914.32 = 16,557.86/x
3. Step 3: Cross multiply
   16,707.84x = 24,914.32 × 16,557.86
4. Step 4: Simplify right side
   16,707.84x = 412,527,822.56
5. Step 5: Solve for x
   x = 412,527,822.56/16,707.84
6. Step 6: Final answer
   x = 24,690.67