Finding the Fourth Proportional to 11,328.72, 16,968.43 and 5,473

Step by Step Solution

1. Step 1: Write the proportion equation
   11,328.72 : 16,968.43 = 5,473 : x
2. Step 2: Convert to fraction form
   11,328.72/16,968.43 = 5,473/x
3. Step 3: Cross multiply
   11,328.72x = 16,968.43 × 5,473
4. Step 4: Simplify right side
   11,328.72x = 92,868,217.39
5. Step 5: Solve for x
   x = 92,868,217.39/11,328.72
6. Step 6: Final answer
   x = 8,197.59