Finding the Fourth Proportional to 16,401.70, 24,602.82 and 5,156.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,401.70 : 24,602.82 = 5,156.69 : x
2. Step 2: Convert to fraction form
   16,401.70/24,602.82 = 5,156.69/x
3. Step 3: Cross multiply
   16,401.70x = 24,602.82 × 5,156.69
4. Step 4: Simplify right side
   16,401.70x = 126,869,115.87
5. Step 5: Solve for x
   x = 126,869,115.87/16,401.70
6. Step 6: Final answer
   x = 7,735.12