Finding the Fourth Proportional to 1,060.48, 1,588.83 and 512.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060.48 : 1,588.83 = 512.38 : x
2. Step 2: Convert to fraction form
   1,060.48/1,588.83 = 512.38/x
3. Step 3: Cross multiply
   1,060.48x = 1,588.83 × 512.38
4. Step 4: Simplify right side
   1,060.48x = 814,084.72
5. Step 5: Solve for x
   x = 814,084.72/1,060.48
6. Step 6: Final answer
   x = 767.66