Finding the Fourth Proportional to 1,921.79, 2,882.50 and 1,402.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,921.79 : 2,882.50 = 1,402.82 : x
2. Step 2: Convert to fraction form
   1,921.79/2,882.50 = 1,402.82/x
3. Step 3: Cross multiply
   1,921.79x = 2,882.50 × 1,402.82
4. Step 4: Simplify right side
   1,921.79x = 4,043,629.43
5. Step 5: Solve for x
   x = 4,043,629.43/1,921.79
6. Step 6: Final answer
   x = 2,104.09