Finding the Fourth Proportional to 1,522.52, 2,100.89 and 859.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.52 : 2,100.89 = 859.33 : x
2. Step 2: Convert to fraction form
   1,522.52/2,100.89 = 859.33/x
3. Step 3: Cross multiply
   1,522.52x = 2,100.89 × 859.33
4. Step 4: Simplify right side
   1,522.52x = 1,805,354.70
5. Step 5: Solve for x
   x = 1,805,354.70/1,522.52
6. Step 6: Final answer
   x = 1,185.77