Finding the Fourth Proportional to 11,262.49, 16,868.35 and 5,423.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,262.49 : 16,868.35 = 5,423.47 : x
2. Step 2: Convert to fraction form
   11,262.49/16,868.35 = 5,423.47/x
3. Step 3: Cross multiply
   11,262.49x = 16,868.35 × 5,423.47
4. Step 4: Simplify right side
   11,262.49x = 91,484,990.17
5. Step 5: Solve for x
   x = 91,484,990.17/11,262.49
6. Step 6: Final answer
   x = 8,122.98