Finding the Fourth Proportional to 1,485.83, 2,228.76 and 1,314.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.83 : 2,228.76 = 1,314.52 : x
2. Step 2: Convert to fraction form
   1,485.83/2,228.76 = 1,314.52/x
3. Step 3: Cross multiply
   1,485.83x = 2,228.76 × 1,314.52
4. Step 4: Simplify right side
   1,485.83x = 2,929,744.02
5. Step 5: Solve for x
   x = 2,929,744.02/1,485.83
6. Step 6: Final answer
   x = 1,971.79