Finding the Fourth Proportional to 1,715.67, 2,366.73 and 1,156.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.67 : 2,366.73 = 1,156.16 : x
2. Step 2: Convert to fraction form
   1,715.67/2,366.73 = 1,156.16/x
3. Step 3: Cross multiply
   1,715.67x = 2,366.73 × 1,156.16
4. Step 4: Simplify right side
   1,715.67x = 2,736,306.72
5. Step 5: Solve for x
   x = 2,736,306.72/1,715.67
6. Step 6: Final answer
   x = 1,594.89