Finding the Fourth Proportional to 3,066.06, 4,230.72 and 1,739.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.06 : 4,230.72 = 1,739.55 : x
2. Step 2: Convert to fraction form
   3,066.06/4,230.72 = 1,739.55/x
3. Step 3: Cross multiply
   3,066.06x = 4,230.72 × 1,739.55
4. Step 4: Simplify right side
   3,066.06x = 7,359,548.98
5. Step 5: Solve for x
   x = 7,359,548.98/3,066.06
6. Step 6: Final answer
   x = 2,400.33