Finding the Fourth Proportional to 1,488.17, 2,233.17 and 940.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.17 : 2,233.17 = 940.51 : x
2. Step 2: Convert to fraction form
   1,488.17/2,233.17 = 940.51/x
3. Step 3: Cross multiply
   1,488.17x = 2,233.17 × 940.51
4. Step 4: Simplify right side
   1,488.17x = 2,100,321.51
5. Step 5: Solve for x
   x = 2,100,321.51/1,488.17
6. Step 6: Final answer
   x = 1,411.34