Finding the Fourth Proportional to 1,484.28, 2,229.86 and 1,404.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.28 : 2,229.86 = 1,404.56 : x
2. Step 2: Convert to fraction form
   1,484.28/2,229.86 = 1,404.56/x
3. Step 3: Cross multiply
   1,484.28x = 2,229.86 × 1,404.56
4. Step 4: Simplify right side
   1,484.28x = 3,131,981.25
5. Step 5: Solve for x
   x = 3,131,981.25/1,484.28
6. Step 6: Final answer
   x = 2,110.10