Finding the Fourth Proportional to 1,730.30, 2,387.58 and 1,022.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.30 : 2,387.58 = 1,022.05 : x
2. Step 2: Convert to fraction form
   1,730.30/2,387.58 = 1,022.05/x
3. Step 3: Cross multiply
   1,730.30x = 2,387.58 × 1,022.05
4. Step 4: Simplify right side
   1,730.30x = 2,440,225.29
5. Step 5: Solve for x
   x = 2,440,225.29/1,730.30
6. Step 6: Final answer
   x = 1,410.29