Finding the Fourth Proportional to 1,061.03, 1,463.73 and 688.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.03 : 1,463.73 = 688.07 : x
2. Step 2: Convert to fraction form
   1,061.03/1,463.73 = 688.07/x
3. Step 3: Cross multiply
   1,061.03x = 1,463.73 × 688.07
4. Step 4: Simplify right side
   1,061.03x = 1,007,148.70
5. Step 5: Solve for x
   x = 1,007,148.70/1,061.03
6. Step 6: Final answer
   x = 949.22