Finding the Fourth Proportional to 1,061.67, 1,591.73 and 714.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.67 : 1,591.73 = 714.14 : x
2. Step 2: Convert to fraction form
   1,061.67/1,591.73 = 714.14/x
3. Step 3: Cross multiply
   1,061.67x = 1,591.73 × 714.14
4. Step 4: Simplify right side
   1,061.67x = 1,136,718.06
5. Step 5: Solve for x
   x = 1,136,718.06/1,061.67
6. Step 6: Final answer
   x = 1,070.69