Finding the Fourth Proportional to 9,996.84, 14,995.50 and 3,423

Step by Step Solution

1. Step 1: Write the proportion equation
   9,996.84 : 14,995.50 = 3,423 : x
2. Step 2: Convert to fraction form
   9,996.84/14,995.50 = 3,423/x
3. Step 3: Cross multiply
   9,996.84x = 14,995.50 × 3,423
4. Step 4: Simplify right side
   9,996.84x = 51,329,596.50
5. Step 5: Solve for x
   x = 51,329,596.50/9,996.84
6. Step 6: Final answer
   x = 5,134.58