Finding the Fourth Proportional to 3,002.01, 4,142.34 and 1,806.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,002.01 : 4,142.34 = 1,806.72 : x
2. Step 2: Convert to fraction form
   3,002.01/4,142.34 = 1,806.72/x
3. Step 3: Cross multiply
   3,002.01x = 4,142.34 × 1,806.72
4. Step 4: Simplify right side
   3,002.01x = 7,484,048.52
5. Step 5: Solve for x
   x = 7,484,048.52/3,002.01
6. Step 6: Final answer
   x = 2,493.01