Finding the Fourth Proportional to 4,118.76, 6,205.98 and 3,404.34

Step by Step Solution

1. Step 1: Write the proportion equation
   4,118.76 : 6,205.98 = 3,404.34 : x
2. Step 2: Convert to fraction form
   4,118.76/6,205.98 = 3,404.34/x
3. Step 3: Cross multiply
   4,118.76x = 6,205.98 × 3,404.34
4. Step 4: Simplify right side
   4,118.76x = 21,127,265.95
5. Step 5: Solve for x
   x = 21,127,265.95/4,118.76
6. Step 6: Final answer
   x = 5,129.52