Finding the Fourth Proportional to 1,897.83, 2,845.45 and 971.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.83 : 2,845.45 = 971.59 : x
2. Step 2: Convert to fraction form
   1,897.83/2,845.45 = 971.59/x
3. Step 3: Cross multiply
   1,897.83x = 2,845.45 × 971.59
4. Step 4: Simplify right side
   1,897.83x = 2,764,610.77
5. Step 5: Solve for x
   x = 2,764,610.77/1,897.83
6. Step 6: Final answer
   x = 1,456.72