Finding the Fourth Proportional to 1,130.72, 1,696.24 and 514.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,130.72 : 1,696.24 = 514.58 : x
2. Step 2: Convert to fraction form
   1,130.72/1,696.24 = 514.58/x
3. Step 3: Cross multiply
   1,130.72x = 1,696.24 × 514.58
4. Step 4: Simplify right side
   1,130.72x = 872,849.89
5. Step 5: Solve for x
   x = 872,849.89/1,130.72
6. Step 6: Final answer
   x = 771.94