Finding the Fourth Proportional to 5,118.43, 7,665.34 and 3,469.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,118.43 : 7,665.34 = 3,469.98 : x
2. Step 2: Convert to fraction form
   5,118.43/7,665.34 = 3,469.98/x
3. Step 3: Cross multiply
   5,118.43x = 7,665.34 × 3,469.98
4. Step 4: Simplify right side
   5,118.43x = 26,598,538.17
5. Step 5: Solve for x
   x = 26,598,538.17/5,118.43
6. Step 6: Final answer
   x = 5,196.62