Finding the Fourth Proportional to 1,847.75, 2,550.51 and 1,220.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,847.75 : 2,550.51 = 1,220.00 : x
2. Step 2: Convert to fraction form
   1,847.75/2,550.51 = 1,220.00/x
3. Step 3: Cross multiply
   1,847.75x = 2,550.51 × 1,220.00
4. Step 4: Simplify right side
   1,847.75x = 3,111,609.45
5. Step 5: Solve for x
   x = 3,111,609.45/1,847.75
6. Step 6: Final answer
   x = 1,684.00