Finding the Fourth Proportional to 5,563.34, 8,348.61 and 5,118.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,563.34 : 8,348.61 = 5,118.38 : x
2. Step 2: Convert to fraction form
   5,563.34/8,348.61 = 5,118.38/x
3. Step 3: Cross multiply
   5,563.34x = 8,348.61 × 5,118.38
4. Step 4: Simplify right side
   5,563.34x = 42,731,358.45
5. Step 5: Solve for x
   x = 42,731,358.45/5,563.34
6. Step 6: Final answer
   x = 7,680.88