Finding the Fourth Proportional to 3,613.54, 5,429.43 and 3,467.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613.54 : 5,429.43 = 3,467.74 : x
2. Step 2: Convert to fraction form
   3,613.54/5,429.43 = 3,467.74/x
3. Step 3: Cross multiply
   3,613.54x = 5,429.43 × 3,467.74
4. Step 4: Simplify right side
   3,613.54x = 18,827,851.59
5. Step 5: Solve for x
   x = 18,827,851.59/3,613.54
6. Step 6: Final answer
   x = 5,210.36