Finding the Fourth Proportional to 1,062.18, 1,592.98 and 671.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.18 : 1,592.98 = 671.59 : x
2. Step 2: Convert to fraction form
   1,062.18/1,592.98 = 671.59/x
3. Step 3: Cross multiply
   1,062.18x = 1,592.98 × 671.59
4. Step 4: Simplify right side
   1,062.18x = 1,069,830.69
5. Step 5: Solve for x
   x = 1,069,830.69/1,062.18
6. Step 6: Final answer
   x = 1,007.21