Finding the Fourth Proportional to 3,549.58, 5,316.17 and 3,426.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,549.58 : 5,316.17 = 3,426.56 : x
2. Step 2: Convert to fraction form
   3,549.58/5,316.17 = 3,426.56/x
3. Step 3: Cross multiply
   3,549.58x = 5,316.17 × 3,426.56
4. Step 4: Simplify right side
   3,549.58x = 18,216,166.65
5. Step 5: Solve for x
   x = 18,216,166.65/3,549.58
6. Step 6: Final answer
   x = 5,131.92