Finding the Fourth Proportional to 1,060.52, 1,463.22 and 687.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060.52 : 1,463.22 = 687.51 : x
2. Step 2: Convert to fraction form
   1,060.52/1,463.22 = 687.51/x
3. Step 3: Cross multiply
   1,060.52x = 1,463.22 × 687.51
4. Step 4: Simplify right side
   1,060.52x = 1,005,978.38
5. Step 5: Solve for x
   x = 1,005,978.38/1,060.52
6. Step 6: Final answer
   x = 948.58