Finding the Fourth Proportional to 8,337.74, 12,499.36 and 3,404.23

Step by Step Solution

1. Step 1: Write the proportion equation
   8,337.74 : 12,499.36 = 3,404.23 : x
2. Step 2: Convert to fraction form
   8,337.74/12,499.36 = 3,404.23/x
3. Step 3: Cross multiply
   8,337.74x = 12,499.36 × 3,404.23
4. Step 4: Simplify right side
   8,337.74x = 42,550,656.53
5. Step 5: Solve for x
   x = 42,550,656.53/8,337.74
6. Step 6: Final answer
   x = 5,103.38