Finding the Fourth Proportional to 1,752.96, 2,418.78 and 1,007.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,752.96 : 2,418.78 = 1,007.16 : x
2. Step 2: Convert to fraction form
   1,752.96/2,418.78 = 1,007.16/x
3. Step 3: Cross multiply
   1,752.96x = 2,418.78 × 1,007.16
4. Step 4: Simplify right side
   1,752.96x = 2,436,098.46
5. Step 5: Solve for x
   x = 2,436,098.46/1,752.96
6. Step 6: Final answer
   x = 1,389.71