Finding the Fourth Proportional to 2,238.93, 3,090.11 and 1,707.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.93 : 3,090.11 = 1,707.03 : x
2. Step 2: Convert to fraction form
   2,238.93/3,090.11 = 1,707.03/x
3. Step 3: Cross multiply
   2,238.93x = 3,090.11 × 1,707.03
4. Step 4: Simplify right side
   2,238.93x = 5,274,901.94
5. Step 5: Solve for x
   x = 5,274,901.94/2,238.93
6. Step 6: Final answer
   x = 2,355.99