Finding the Fourth Proportional to 1,522.08, 2,100.26 and 858.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.08 : 2,100.26 = 858.83 : x
2. Step 2: Convert to fraction form
   1,522.08/2,100.26 = 858.83/x
3. Step 3: Cross multiply
   1,522.08x = 2,100.26 × 858.83
4. Step 4: Simplify right side
   1,522.08x = 1,803,757.94
5. Step 5: Solve for x
   x = 1,803,757.94/1,522.08
6. Step 6: Final answer
   x = 1,185.06