Finding the Fourth Proportional to 1,525.04, 2,104.59 and 861.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.04 : 2,104.59 = 861.83 : x
2. Step 2: Convert to fraction form
   1,525.04/2,104.59 = 861.83/x
3. Step 3: Cross multiply
   1,525.04x = 2,104.59 × 861.83
4. Step 4: Simplify right side
   1,525.04x = 1,813,798.80
5. Step 5: Solve for x
   x = 1,813,798.80/1,525.04
6. Step 6: Final answer
   x = 1,189.35