Finding the Fourth Proportional to 1,583.12, 2,168.83 and 1,523.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,583.12 : 2,168.83 = 1,523.96 : x
2. Step 2: Convert to fraction form
   1,583.12/2,168.83 = 1,523.96/x
3. Step 3: Cross multiply
   1,583.12x = 2,168.83 × 1,523.96
4. Step 4: Simplify right side
   1,583.12x = 3,305,199.32
5. Step 5: Solve for x
   x = 3,305,199.32/1,583.12
6. Step 6: Final answer
   x = 2,087.78