Finding the Fourth Proportional to 1,060.76, 1,463.94 and 641.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060.76 : 1,463.94 = 641.14 : x
2. Step 2: Convert to fraction form
   1,060.76/1,463.94 = 641.14/x
3. Step 3: Cross multiply
   1,060.76x = 1,463.94 × 641.14
4. Step 4: Simplify right side
   1,060.76x = 938,586.83
5. Step 5: Solve for x
   x = 938,586.83/1,060.76
6. Step 6: Final answer
   x = 884.82