Finding the Fourth Proportional to 1,707.34, 2,355.62 and 1,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,707.34 : 2,355.62 = 1,043.50 : x
2. Step 2: Convert to fraction form
   1,707.34/2,355.62 = 1,043.50/x
3. Step 3: Cross multiply
   1,707.34x = 2,355.62 × 1,043.50
4. Step 4: Simplify right side
   1,707.34x = 2,458,089.47
5. Step 5: Solve for x
   x = 2,458,089.47/1,707.34
6. Step 6: Final answer
   x = 1,439.72