Finding the Fourth Proportional to 2,289.84, 3,158.30 and 1,730.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,289.84 : 3,158.30 = 1,730.34 : x
2. Step 2: Convert to fraction form
   2,289.84/3,158.30 = 1,730.34/x
3. Step 3: Cross multiply
   2,289.84x = 3,158.30 × 1,730.34
4. Step 4: Simplify right side
   2,289.84x = 5,464,924.17
5. Step 5: Solve for x
   x = 5,464,924.17/2,289.84
6. Step 6: Final answer
   x = 2,386.60