Finding the Fourth Proportional to 1,448.84, 1,999.52 and 859.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448.84 : 1,999.52 = 859.52 : x
2. Step 2: Convert to fraction form
   1,448.84/1,999.52 = 859.52/x
3. Step 3: Cross multiply
   1,448.84x = 1,999.52 × 859.52
4. Step 4: Simplify right side
   1,448.84x = 1,718,627.43
5. Step 5: Solve for x
   x = 1,718,627.43/1,448.84
6. Step 6: Final answer
   x = 1,186.21