Finding the Fourth Proportional to 8,329.23, 12,488.29 and 3,397.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,329.23 : 12,488.29 = 3,397.55 : x
2. Step 2: Convert to fraction form
   8,329.23/12,488.29 = 3,397.55/x
3. Step 3: Cross multiply
   8,329.23x = 12,488.29 × 3,397.55
4. Step 4: Simplify right side
   8,329.23x = 42,429,518.75
5. Step 5: Solve for x
   x = 42,429,518.75/8,329.23
6. Step 6: Final answer
   x = 5,094.05