Finding the Fourth Proportional to 3,066.51, 4,230.45 and 2,400.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.51 : 4,230.45 = 2,400.69 : x
2. Step 2: Convert to fraction form
   3,066.51/4,230.45 = 2,400.69/x
3. Step 3: Cross multiply
   3,066.51x = 4,230.45 × 2,400.69
4. Step 4: Simplify right side
   3,066.51x = 10,155,999.01
5. Step 5: Solve for x
   x = 10,155,999.01/3,066.51
6. Step 6: Final answer
   x = 3,311.91