Finding the Fourth Proportional to 1,150.94, 1,725.71 and 517.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.94 : 1,725.71 = 517.60 : x
2. Step 2: Convert to fraction form
   1,150.94/1,725.71 = 517.60/x
3. Step 3: Cross multiply
   1,150.94x = 1,725.71 × 517.60
4. Step 4: Simplify right side
   1,150.94x = 893,227.50
5. Step 5: Solve for x
   x = 893,227.50/1,150.94
6. Step 6: Final answer
   x = 776.09