Finding the Fourth Proportional to 1,707.17, 2,559.15 and 926.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,707.17 : 2,559.15 = 926.03 : x
2. Step 2: Convert to fraction form
   1,707.17/2,559.15 = 926.03/x
3. Step 3: Cross multiply
   1,707.17x = 2,559.15 × 926.03
4. Step 4: Simplify right side
   1,707.17x = 2,369,840.35
5. Step 5: Solve for x
   x = 2,369,840.35/1,707.17
6. Step 6: Final answer
   x = 1,388.17