Finding the Fourth Proportional to 5,548.59, 8,310.54 and 5,116.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,548.59 : 8,310.54 = 5,116.43 : x
2. Step 2: Convert to fraction form
   5,548.59/8,310.54 = 5,116.43/x
3. Step 3: Cross multiply
   5,548.59x = 8,310.54 × 5,116.43
4. Step 4: Simplify right side
   5,548.59x = 42,520,336.14
5. Step 5: Solve for x
   x = 42,520,336.14/5,548.59
6. Step 6: Final answer
   x = 7,663.27