Finding the Fourth Proportional to 1,522.39, 2,100.94 and 859.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.39 : 2,100.94 = 859.27 : x
2. Step 2: Convert to fraction form
   1,522.39/2,100.94 = 859.27/x
3. Step 3: Cross multiply
   1,522.39x = 2,100.94 × 859.27
4. Step 4: Simplify right side
   1,522.39x = 1,805,274.71
5. Step 5: Solve for x
   x = 1,805,274.71/1,522.39
6. Step 6: Final answer
   x = 1,185.82