Finding the Fourth Proportional to 5,404.94, 8,109.53 and 2,117.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.94 : 8,109.53 = 2,117.47 : x
2. Step 2: Convert to fraction form
   5,404.94/8,109.53 = 2,117.47/x
3. Step 3: Cross multiply
   5,404.94x = 8,109.53 × 2,117.47
4. Step 4: Simplify right side
   5,404.94x = 17,171,686.49
5. Step 5: Solve for x
   x = 17,171,686.49/5,404.94
6. Step 6: Final answer
   x = 3,177.04