Finding the Fourth Proportional to 1,061.52, 1,463.99 and 688.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.52 : 1,463.99 = 688.13 : x
2. Step 2: Convert to fraction form
   1,061.52/1,463.99 = 688.13/x
3. Step 3: Cross multiply
   1,061.52x = 1,463.99 × 688.13
4. Step 4: Simplify right side
   1,061.52x = 1,007,415.66
5. Step 5: Solve for x
   x = 1,007,415.66/1,061.52
6. Step 6: Final answer
   x = 949.03