Finding the Fourth Proportional to 1,061.93, 1,592.37 and 445.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.93 : 1,592.37 = 445.46 : x
2. Step 2: Convert to fraction form
   1,061.93/1,592.37 = 445.46/x
3. Step 3: Cross multiply
   1,061.93x = 1,592.37 × 445.46
4. Step 4: Simplify right side
   1,061.93x = 709,341.12
5. Step 5: Solve for x
   x = 709,341.12/1,061.93
6. Step 6: Final answer
   x = 667.98