Finding the Fourth Proportional to 1,522.23, 2,100.71 and 859.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.23 : 2,100.71 = 859.08 : x
2. Step 2: Convert to fraction form
   1,522.23/2,100.71 = 859.08/x
3. Step 3: Cross multiply
   1,522.23x = 2,100.71 × 859.08
4. Step 4: Simplify right side
   1,522.23x = 1,804,687.97
5. Step 5: Solve for x
   x = 1,804,687.97/1,522.23
6. Step 6: Final answer
   x = 1,185.56