Finding the Fourth Proportional to 1,522.52, 2,101.12 and 859.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.52 : 2,101.12 = 859.34 : x
2. Step 2: Convert to fraction form
   1,522.52/2,101.12 = 859.34/x
3. Step 3: Cross multiply
   1,522.52x = 2,101.12 × 859.34
4. Step 4: Simplify right side
   1,522.52x = 1,805,576.46
5. Step 5: Solve for x
   x = 1,805,576.46/1,522.52
6. Step 6: Final answer
   x = 1,185.91