Finding the Fourth Proportional to 1,932.50, 2,873.90 and 1,871.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932.50 : 2,873.90 = 1,871.00 : x
2. Step 2: Convert to fraction form
   1,932.50/2,873.90 = 1,871.00/x
3. Step 3: Cross multiply
   1,932.50x = 2,873.90 × 1,871.00
4. Step 4: Simplify right side
   1,932.50x = 5,377,043.18
5. Step 5: Solve for x
   x = 5,377,043.18/1,932.50
6. Step 6: Final answer
   x = 2,782.44