Finding the Fourth Proportional to 5,940.56, 8,908.18 and 3,166.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,940.56 : 8,908.18 = 3,166.72 : x
2. Step 2: Convert to fraction form
   5,940.56/8,908.18 = 3,166.72/x
3. Step 3: Cross multiply
   5,940.56x = 8,908.18 × 3,166.72
4. Step 4: Simplify right side
   5,940.56x = 28,209,711.77
5. Step 5: Solve for x
   x = 28,209,711.77/5,940.56
6. Step 6: Final answer
   x = 4,748.66