Finding the Fourth Proportional to 10,817.52, 16,212.15 and 5,548.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,817.52 : 16,212.15 = 5,548.07 : x
2. Step 2: Convert to fraction form
   10,817.52/16,212.15 = 5,548.07/x
3. Step 3: Cross multiply
   10,817.52x = 16,212.15 × 5,548.07
4. Step 4: Simplify right side
   10,817.52x = 89,946,061.99
5. Step 5: Solve for x
   x = 89,946,061.99/10,817.52
6. Step 6: Final answer
   x = 8,314.85