Finding the Fourth Proportional to 5,404.18, 8,103.02 and 2,113.35

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.18 : 8,103.02 = 2,113.35 : x
2. Step 2: Convert to fraction form
   5,404.18/8,103.02 = 2,113.35/x
3. Step 3: Cross multiply
   5,404.18x = 8,103.02 × 2,113.35
4. Step 4: Simplify right side
   5,404.18x = 17,124,517.32
5. Step 5: Solve for x
   x = 17,124,517.32/5,404.18
6. Step 6: Final answer
   x = 3,168.75