Finding the Fourth Proportional to 1,716.03, 2,367.34 and 1,007.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,716.03 : 2,367.34 = 1,007.86 : x
2. Step 2: Convert to fraction form
   1,716.03/2,367.34 = 1,007.86/x
3. Step 3: Cross multiply
   1,716.03x = 2,367.34 × 1,007.86
4. Step 4: Simplify right side
   1,716.03x = 2,385,945.21
5. Step 5: Solve for x
   x = 2,385,945.21/1,716.03
6. Step 6: Final answer
   x = 1,390.39