Finding the Fourth Proportional to 2,036.30, 2,807.62 and 1,721

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.30 : 2,807.62 = 1,721 : x
2. Step 2: Convert to fraction form
   2,036.30/2,807.62 = 1,721/x
3. Step 3: Cross multiply
   2,036.30x = 2,807.62 × 1,721
4. Step 4: Simplify right side
   2,036.30x = 4,831,914.02
5. Step 5: Solve for x
   x = 4,831,914.02/2,036.30
6. Step 6: Final answer
   x = 2,372.89