Finding the Fourth Proportional to 1,061.73, 1,592.01 and 411.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.73 : 1,592.01 = 411.93 : x
2. Step 2: Convert to fraction form
   1,061.73/1,592.01 = 411.93/x
3. Step 3: Cross multiply
   1,061.73x = 1,592.01 × 411.93
4. Step 4: Simplify right side
   1,061.73x = 655,796.68
5. Step 5: Solve for x
   x = 655,796.68/1,061.73
6. Step 6: Final answer
   x = 617.67