Finding the Fourth Proportional to 1,522.75, 2,101.29 and 859.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.75 : 2,101.29 = 859.47 : x
2. Step 2: Convert to fraction form
   1,522.75/2,101.29 = 859.47/x
3. Step 3: Cross multiply
   1,522.75x = 2,101.29 × 859.47
4. Step 4: Simplify right side
   1,522.75x = 1,805,995.72
5. Step 5: Solve for x
   x = 1,805,995.72/1,522.75
6. Step 6: Final answer
   x = 1,186.01