Finding the Fourth Proportional to 1,730.28, 2,385.50 and 1,415.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.28 : 2,385.50 = 1,415.18 : x
2. Step 2: Convert to fraction form
   1,730.28/2,385.50 = 1,415.18/x
3. Step 3: Cross multiply
   1,730.28x = 2,385.50 × 1,415.18
4. Step 4: Simplify right side
   1,730.28x = 3,375,911.89
5. Step 5: Solve for x
   x = 3,375,911.89/1,730.28
6. Step 6: Final answer
   x = 1,951.08