Finding the Fourth Proportional to 8,401.96, 12,602.98 and 3,404.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,401.96 : 12,602.98 = 3,404.43 : x
2. Step 2: Convert to fraction form
   8,401.96/12,602.98 = 3,404.43/x
3. Step 3: Cross multiply
   8,401.96x = 12,602.98 × 3,404.43
4. Step 4: Simplify right side
   8,401.96x = 42,905,963.20
5. Step 5: Solve for x
   x = 42,905,963.20/8,401.96
6. Step 6: Final answer
   x = 5,106.66