Finding the Fourth Proportional to 1,156.80, 1,733.76 and 579.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.80 : 1,733.76 = 579.52 : x
2. Step 2: Convert to fraction form
   1,156.80/1,733.76 = 579.52/x
3. Step 3: Cross multiply
   1,156.80x = 1,733.76 × 579.52
4. Step 4: Simplify right side
   1,156.80x = 1,004,748.60
5. Step 5: Solve for x
   x = 1,004,748.60/1,156.80
6. Step 6: Final answer
   x = 868.56