Finding the Fourth Proportional to 1,801.76, 2,701.56 and 1,222.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801.76 : 2,701.56 = 1,222.88 : x
2. Step 2: Convert to fraction form
   1,801.76/2,701.56 = 1,222.88/x
3. Step 3: Cross multiply
   1,801.76x = 2,701.56 × 1,222.88
4. Step 4: Simplify right side
   1,801.76x = 3,303,683.69
5. Step 5: Solve for x
   x = 3,303,683.69/1,801.76
6. Step 6: Final answer
   x = 1,833.59