Finding the Fourth Proportional to 2,018.01, 3,024.40 and 906.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.01 : 3,024.40 = 906.61 : x
2. Step 2: Convert to fraction form
   2,018.01/3,024.40 = 906.61/x
3. Step 3: Cross multiply
   2,018.01x = 3,024.40 × 906.61
4. Step 4: Simplify right side
   2,018.01x = 2,741,931.63
5. Step 5: Solve for x
   x = 2,741,931.63/2,018.01
6. Step 6: Final answer
   x = 1,358.73