Finding the Fourth Proportional to 11,034.43, 16,557.21 and 5,487.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,034.43 : 16,557.21 = 5,487.55 : x
2. Step 2: Convert to fraction form
   11,034.43/16,557.21 = 5,487.55/x
3. Step 3: Cross multiply
   11,034.43x = 16,557.21 × 5,487.55
4. Step 4: Simplify right side
   11,034.43x = 90,858,476.34
5. Step 5: Solve for x
   x = 90,858,476.34/11,034.43
6. Step 6: Final answer
   x = 8,234.09