Finding the Fourth Proportional to 1,484.16, 2,046.36 and 1,284.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.16 : 2,046.36 = 1,284.72 : x
2. Step 2: Convert to fraction form
   1,484.16/2,046.36 = 1,284.72/x
3. Step 3: Cross multiply
   1,484.16x = 2,046.36 × 1,284.72
4. Step 4: Simplify right side
   1,484.16x = 2,628,999.62
5. Step 5: Solve for x
   x = 2,628,999.62/1,484.16
6. Step 6: Final answer
   x = 1,771.37