Finding the Fourth Proportional to 3,566.76, 5,314.59 and 3,178.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,566.76 : 5,314.59 = 3,178.80 : x
2. Step 2: Convert to fraction form
   3,566.76/5,314.59 = 3,178.80/x
3. Step 3: Cross multiply
   3,566.76x = 5,314.59 × 3,178.80
4. Step 4: Simplify right side
   3,566.76x = 16,894,018.69
5. Step 5: Solve for x
   x = 16,894,018.69/3,566.76
6. Step 6: Final answer
   x = 4,736.52