Finding the Fourth Proportional to 1,715.88, 2,367.92 and 1,007.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.88 : 2,367.92 = 1,007.59 : x
2. Step 2: Convert to fraction form
   1,715.88/2,367.92 = 1,007.59/x
3. Step 3: Cross multiply
   1,715.88x = 2,367.92 × 1,007.59
4. Step 4: Simplify right side
   1,715.88x = 2,385,892.51
5. Step 5: Solve for x
   x = 2,385,892.51/1,715.88
6. Step 6: Final answer
   x = 1,390.48