Finding the Fourth Proportional to 6,066.72, 9,100.50 and 3,145.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,066.72 : 9,100.50 = 3,145.56 : x
2. Step 2: Convert to fraction form
   6,066.72/9,100.50 = 3,145.56/x
3. Step 3: Cross multiply
   6,066.72x = 9,100.50 × 3,145.56
4. Step 4: Simplify right side
   6,066.72x = 28,626,168.78
5. Step 5: Solve for x
   x = 28,626,168.78/6,066.72
6. Step 6: Final answer
   x = 4,718.56