Finding the Fourth Proportional to 1,974.31, 2,945.59 and 1,881.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,974.31 : 2,945.59 = 1,881.43 : x
2. Step 2: Convert to fraction form
   1,974.31/2,945.59 = 1,881.43/x
3. Step 3: Cross multiply
   1,974.31x = 2,945.59 × 1,881.43
4. Step 4: Simplify right side
   1,974.31x = 5,541,921.39
5. Step 5: Solve for x
   x = 5,541,921.39/1,974.31
6. Step 6: Final answer
   x = 2,807.02