Finding the Fourth Proportional to 1,715.49, 2,367.98 and 1,043.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.49 : 2,367.98 = 1,043.30 : x
2. Step 2: Convert to fraction form
   1,715.49/2,367.98 = 1,043.30/x
3. Step 3: Cross multiply
   1,715.49x = 2,367.98 × 1,043.30
4. Step 4: Simplify right side
   1,715.49x = 2,470,518.15
5. Step 5: Solve for x
   x = 2,470,518.15/1,715.49
6. Step 6: Final answer
   x = 1,440.12