Finding the Fourth Proportional to 1,715.79, 2,572.56 and 675.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.79 : 2,572.56 = 675.93 : x
2. Step 2: Convert to fraction form
   1,715.79/2,572.56 = 675.93/x
3. Step 3: Cross multiply
   1,715.79x = 2,572.56 × 675.93
4. Step 4: Simplify right side
   1,715.79x = 1,738,870.48
5. Step 5: Solve for x
   x = 1,738,870.48/1,715.79
6. Step 6: Final answer
   x = 1,013.45