Finding the Fourth Proportional to 1,897.12, 2,843.76 and 801.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.12 : 2,843.76 = 801.76 : x
2. Step 2: Convert to fraction form
   1,897.12/2,843.76 = 801.76/x
3. Step 3: Cross multiply
   1,897.12x = 2,843.76 × 801.76
4. Step 4: Simplify right side
   1,897.12x = 2,280,013.02
5. Step 5: Solve for x
   x = 2,280,013.02/1,897.12
6. Step 6: Final answer
   x = 1,201.83